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If you have any questions concerning our products or services or want to schedule an appointment with one of our consultants - please contact us using the details below.

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We would be happy to answer your questions

If you have any questions concerning our products or services or if you want to talk about an investment opportunity or want to

schedule an appointment with one of our consultants to discuss a wonderful idea - Please contact us using the details below.

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Address

Neuburgerstr. 40,

Augsburg 86167

Germany

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+32 477 50 17 48

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FAQ Order & Sales Info

Warranty

The assortment of our Yuuma store product is guaranteed for one year from the date of purchase, subject to normal usage conditions and adherence to the instructions for use recommended by the manufacturer. In the event that the product needs to be repaired during this guarantee period, the repair will be undertaken by our after-sales technicians providing that: the product has not been subjected to shock, immersion, etc. the problem has not been caused by inappropriate handling, fair wear and tear or failure to maintain the product (e.g. clogging); the product has not been repaired in any way by any after-sales service other than that of our Yuuma store or been interfered with by any person not approved by the seller; the product has not been modified in any way from its original condition.

WHAT PRODUCTS ARE PROVIDED WITH THE WARRANTY?

01 Products Purchased at Our Online Store

We guarantee the highest quality of the products purchased at our Appelwatch store. Our sales managers keep record of all the orders you place. If you are not satisfied with the quality of your purchase, you can turn to our warranty service and they will settle the issue.

02 Not Damaged Products

We guarantee the highest quality of the products purchased at our Online store. Our sales managers keep record of all the orders you place. If you are not satisfied with the quality of your purchase, you can turn to our warranty service and they will settle the issue.

03 Products with Available Paid Check

When you pay for the product you have chosen at our Online store, you get the check. It’s an important document, so please save it until the end of guarantee period. Products with available paid checks will free you from headaches in case of warranty case.

04 Products that Were Not Repaired By Third Parties

If the products you return to our Online store have not been repaired by the third parties, they are liable to warranty. Don’t go to the street corner repairing office that is close to your house. Talk to our warranty technicians first, they are here to help you with any problem you may face.

05 Products with Not Damaged Original Packing

All products bought at our store are delivered to you in the original packing. Please save it till the end of warranty period because if you decide to return the item for some reason, it should have the original packing that is not damaged in any way.

06 Products that Were Not Used Longer than their Warranty Period

You have the right to return the product within 14 days since its receipt. Contact our service center via telephone, email or online chat. You will get all necessary instructions on how to deal with the issue. We promise to handle your claim quickly and make you happy with your bargain.

WHERE TO APPLY FOR WARRANTY SERVICE?

Service Center in Your City

If our service center is available in your city, you may turn there for warranty repairing, refund or product replacement. Service manager will inspect the item you wish to repair/return or replace and do everything possible to settle your issue as quickly as possible.

Onsite/In-Home Service

In some cases it is possible to invite a service manager right to your office, home or settle the issue right on site. Parts and labor repair where labor is provided onsite at your place of business or home are covered by us according to the warranty policy.

IN WHAT CASES THE WARRANTY IS NOT PROVIDED?

Damages from wear and tear

Please note that our guarantee does not cover product damages that may have resulted from normal wear and tear of the product you have purchased from our store.

Unauthorized repairing services

When the product is being repaired by unauthorized service organizations, engineers or technicians the buyer loses his/her right for free warranty service.

Not branded items

This warranty does not apply to any items not branded by our company even if packaged or sold with our original products. Such kind of products may have the benefit of a manufacturer's warranty.

Misuse or abuse

LIf the product purchased at our store has visual traces of misuse or abuse, this case is also not covered by guarantee services. The store can render repairing services at your expense.

Natural disaster

Natural disaster is a force majeure the seller can’t prevent. So, when the product has failed from the natural disaster, the store is not obliged to refund or repair it.

Expired warranty period

The warranty begins on the date of purchase on the purchase receipt. In case the purchase receipt is not provided, the warranty period is considered to have started 6 months after the date of manufacturing on the product or as derived from the serial number of the product.

CHANGE AND RETURN

If you are not satisfied with your purchase on arrival you have fourteen (14) days starting from the delivery date to return or exchange the article. What should you do? Login to our website. Once logged inside your private area, please access the orders menu. Inside the orders list, please seek the order you want to make the return and click the button "Return items". Select the product you want to return within the order. Select return cause within the pull-down menu. Select the type of return: money refund or change for another size or color. If the return is a size change or color change, please select the model you want to make the change from the pull-down menu that appears on the screen when selecting the option. Click the "Confirm Return" button. You started the return process! Wait for the confirmation email; it will explain your following steps.

Delivery

Delivery Options

Hello and welcome to shipping and delivery page of the Store. Here you can read some details about a nifty little lifecycle of your order's journey from the time you place your order to your new treasures arriving at your doorstep. At first you choose the product you like. Then you put into your shopping cart and pass the checkout process in a few clicks. Our store offers several payment and delivery methods, so you have an opportunity to choose which one is the most convenient for you.



Cash & carry

If you choose cash and carry method, please note that this means that you should pay cash for the goods you purchase and carry them away yourself. In this case we do not offer credit accounts and delivery service. This is a common policy for cash and carry delivery method. Not too convenient for you? Please read on and get to know what else delivery methods do we provide. Please be sure that we have foreseen different situations and offer other delivery methods that may fit you best.



Pick-up from a Post parcel point in your city

A parcel point is an easy and convenient way to receive items in your city. Shop in our online store, then selects the parcel point as the delivery type and choose the preferred pick-up location. The item will be in the parcel point selected by you the next day after 4 p.m., or some time later in some areas. The Parcel Points are available in central locations and during the opening hours of shops, also on weekends. More than half customers pick up their parcel already on the day of its delivery.



Shipment to the door

What happens when you choose shipment to the door option? Our store takes responsibility for dealing with all the tasks involved in moving goods from the manufacturing plant to the buyer/consignee's door. It is our responsibility to insure the goods and absorb all costs and risks including the payment of duty and fees. In other words, the selling cost of goods includes all expenses inclusive of taxes to reach the goods at the door step of your premises.



International delivery

International delivery is regulated by EXW, Incoterms 2010. Any dates quoted for delivery of the goods are approximate only and the Appelwatch store shall not be deemed to be in delay in delivery of the goods unless actual delivery of goods occurs later than four weeks from the quoted approximate delivery date and having received the Buyer’s written notification. The buyer shall comply with all laws governing the importation of the goods into the country of destination.

Legal Notice

Unless otherwise indicated on the face of the Store invoice, all prices are quoted on a per euro basis. Buyer is responsible for any tax or government charges imposed upon the sale or transfer of the Product. Buyer shall not have any right to set off any amounts due hereunder against any amounts which may become payable to Seller under any other agreement.

 How can I pay for my order?

We accept Paypal with Visa, MasterCard, and American Express credit and debit cards for your convenience.

 Can I track my order?

Yes, you can! After placing your order in the Appelwatch Store you will receive an order confirmation via email. Each order starts production 24 hours after your order is placed. Within 72 hours of you placing your order, you will receive an expected delivery date. When the order ships, you will receive another email with the tracking number and a link to trace the order online with the carrier.

Secure Payment

Secure payment

Visa & mastercard

Payment is the final step of the purchasing process. It should never be an obstacle. Our store pays special attention to this point as making payment in a secured environment is a primary concern of individuals. With e-commerce growth, and more recently the m-commerce evolution, it is essential to choose a payment solution optimized to Smartphone’s and tablets. It is equally important to choose the solution which offers a specific selection of credit cards that are most popular in the merchants target markets. We take Visa & MasterCard as they are widely used by cyber customers.

Noncash payment

Noncash is a method of paying for goods and services that does not involve the exchange of cash. Examples of noncash payment instruments include checks and credit cards. In the United States, most noncash payments are made using checks, credit cards, debit cards, and the electronic payment system called the automated clearinghouse (ACH) — collectively referred to as retail noncash payments. Just choose which of the listed noncash payment methods is more convenient for you.

Cash payment

Cash payment is a form of liquid funds given by a consumer to a provider of goods or services (our store in the given case) as compensation for receiving the products we provide. In most domestic business transactions, a cash payment will typically be made in the currency of the country where the transaction takes place, either in paper currency, in coins or in an appropriate combination. Keeping cash on hand can be a great way to avoid overspending. You can choose exactly how much cash you're willing to spend and stop spending when you're out of cash.

FAQ Sales & Orders

FAQ's

If you need help, we have a list of frequently asked questions and answers. We strive to give you the best buying experience possible. Click a question below to view the answer.

How can I change something in my order?

If you need to change something your order, please contact us immediately. We usually process orders within 2-4 hours, and once we have processed your order, we will be unable to make any changes.

Change order
Cancel order online
Cancel order using automated system
Unable to cancel order

How can I pay for my order?

We accept Visa, MasterCard, and American Express credit and debit cards for your convenience.

Can I track my order?

Yes, you can! After placing your order you will receive an order confirmation via email. Each order starts production 24 hours after your order is placed. Within 72 hours of you placing your order, you will receive an expected delivery date. When the order ships, you will receive another email with the tracking number and a link to trace the order online with the carrier.

Can I return an item?

Please visit our Returns & Exchanges page for more information.

How long will my order take to be delivered?

Delivery times will depend on your location. Once payment is confirmed your order will be packaged. Delivery can be expected within 10 business days.

Do I need an account and what are the benefits?

It's not required to create an account. But, having an account provides easier checkout, the ability to create and send a wishlist, and a customized shopping experience.

FAQ iSmartglasses

FAQ's Yuuma iSmartglasses

If you need help, we have a list of frequently asked questions and answers. We strive to give you the best buying experience possible. Click a question below to view the answer.

What are the major differences between XREAL Air 2 Ultra and XREAL Light?

XREAL Air 2 Ultra is much lighter, features better comfort, and is more fashionable. Both glasses leverage advanced AR features like labeled depth meshes and spatial anchor through the updated NRSDK 2.2. However, the XREAL Light has an RGB camera that the Air 2 Ultra does not.

What Android version can I use for development on XREAL Air 2 Ultra?

Compatible Android versions vary across phone models. Please refer to our compatibility list and adjust the project target API level accordingly.

Does NRSDK 2.2 support OpenXR?

No, NRSDK 2.2 does not currently support OpenXR.

What are the policies regarding 3D environment sensor data? What can be accessed using NRSDK?

We have decided not to make the 3D environment sensor data accessible to developers due to privacy considerations. These sensors are not intended for capturing photos; instead, they serve specific purposes such as hand-tracking and depth meshing.

Are there any cameras available for taking photos or recording videos?

No, there are no cameras available for these purposes.

Do I have to upgrade NRSDK to run my applications on XREAL Air 2 Ultra?

Yes. XREAL Air 2 Ultra works only with NRSDK 2.2 and later.

Is Air 2 Ultra compatible with the Nreal Developer Kit hardware device？

Sorry. XREAL Air 2 Ultra is not compatible with the Nreal Developer Kit. The NRSDK stopped supporting the Nreal Developer Kit since version 2.1.

FAQ YUUMA Smartwatches

FAQ's Yuuma Smartwatches

If you need help, we have a list of frequently asked questions and answers. We strive to give you the best buying experience possible. Click a question below to view the answer.

How waterproof is my Yuuma smartwatch?

We will explaini the difference between ATM versus IP68 as it pertains to the water resistance of our Yuuma watches.

1 ATM waterproof

1 atm in scientific terms means a pressure of 1 atmosphere. It is used to measure the pressure of the atmosphere on a particular point on the Earth's surface. When it comes to water resistance, 1 atm means that the pressure exerted by the water on an object is equal to 1 atmosphere, which is approximately 14.503 psi (pounds per square inch).

1 ATM water resistant means that a Yuuma watch can withstand the air pressure of up to one atmosphere, or 10 meters (about 33 feet) underwater.

IP68 waterproof

If a watch has an IP68 water resistance, this means that it is both dust tight, and can withstand being fully submersed into water over a meter deep.

IP67 waterproof

If a watch has an IP67 water resistance, this means that it is both dust tight, and can withstand being temporaly submersed into water over a meter deep.

IP65 waterproof

If a watch has an IP65 water resistance, this means that water projected from a nozzle from any direction shall have no harmful effects.

What about Near Field Communications (NFC)

NFC, of Near Field Communication, is een draadloze technologie met een kort bereik waarmee apparaten met elkaar kunnen communiceren als ze dicht bij elkaar in de buurt zijn, meestal binnen een paar centimeter. Dit is hoe NFC wordt gebruikt in onze smartwatches:

1. Contactloze betalingen: Een van de populairste toepassingen van NFC in smartwatches is voor het doen van betalingen. Door je bankkaartgegevens op je smartwatch op te slaan, kun je veilige, contactloze betalingen doen bij NFC-geschikte terminals. Dit is vergelijkbaar met het gebruik van een contactloze creditcard, maar dan nog handiger omdat het om je pols zit.

2. Toegangscontrole: NFC kan ook worden gebruikt voor toegangscontrole, zoals het ontgrendelen van deuren of toegang tot het openbaar vervoer. Veel moderne hotels en kantoorgebouwen gebruiken NFC-technologie voor sleutelloze toegang en je kunt deze digitale sleutels opslaan op je smartwatch.

3. Gegevensoverdracht: NFC maakt snelle en eenvoudige gegevensoverdracht tussen apparaten mogelijk. Je kunt bijvoorbeeld contactgegevens, foto's of andere kleine bestanden delen door simpelweg op je smartwatch tegen een ander apparaat met NFC te tikken

4. Ticketing: Smartwatches met NFC kunnen digitale tickets voor evenementen, concerten of openbaar vervoer opslaan. Dit maakt het gemakkelijk om toegang te krijgen tot locaties of om op bussen en treinen te stappen door gewoon op je pols te tikken.

In het algemeen verbetert NFC de functionaliteit van smartwatches door alledaagse taken gemakkelijker en veiliger te maken.

What about the "AI Voice Intelligent Dial Creator "

An AI Voice Intelligent Dial Creator on a smartwatch is a feature that allows users to customize their watch faces using voice commands. This can include setting different widgets, changing the layout and selecting different themes or styles, all through simple voice interactions. Here are some key aspects:

Customization: You can personalize your watch face by adding or removing widgets, such as weather, fitness statistics, calendar events and more, just by talking to your smartwatch.

Ease of use: This feature makes it easy to change the look and functionality of your watch face without having to navigate through menus or use a smartphone app.

Dynamic updates: The AI can suggest changes based on your usage patterns, such as highlighting fitness stats during workouts or showing calendar events during work hours.

Voice commands: You can use natural language to make changes, such as “Display my pedometer” or “Switch to a minimalist theme.”

Translated with DeepL.com (free version)

What about the "AI Voice Assistant"

With an AI-Voice assistant on a smartwatch, you can communicate with your device via voice commands, making it more convenient and hands-free. Here are some key features:

1. Set reminders and alarms: You can ask the assistant to set reminders or alarms without typing anything.

2. Send messages and make calls: You can dictate messages or make calls directly from your smartwatch.

3. Control smart home devices: If you have smart home devices, you can control them with voice commands through your smartwatch.

4. Getting information: You can ask questions and get quick answers, such as weather reports, news or directions.

5. Manage tasks: The assistant can help you manage your schedule, check your calendar and add events.

6. Fitness and health tracking: You can start workouts, check the number of steps or measure your heart rate with voice commands.

The different sensors in Our Yuuma Smartwatches

Smartwatches incorporate various sensors to enhance their functionality. Here are some of the key sensors you’ll find in our Yuuma smartwatches:

ACCELEROMETER

This sensor tracks your body movements by counting steps and also monitors your sleep patterns. It measures acceleration across the X, Y, and Z axes. Keep in mind that accuracy can vary depending on the quality of the wearable device.

GYROSCOPE

The gyroscope measures angular velocity, going beyond linear motion detection. It helps differentiate activities (like jogging vs. running) and contributes to accurate motion tracking.

HEART RATE MONITOR

Smartwatches use optical sensors to measure your heart rate continuously. This data is valuable for fitness tracking and health insights.

GPS (Global Positioning System):

GPS provides location information, allowing smartwatches to track your outdoor activities, navigation, and location-based services.

BAROMETER

Some smartwatches include a barometer to measure atmospheric pressure. It helps predict weather changes and altitude tracking.

SpO2 SENSOR (Oximetry):

Measures blood oxygen levels, providing insights into overall health and fitness.

SKIN TEMPERATURE SENSORS

These sensors monitor your skin temperature, which can be useful for detecting fever or changes in body temperature.

BLOODPRESSURE MONITOR

Our Yuuma smartwatches have the ability to measure and estimate blood pressure using optical sensors, to some degree of accuracy. They are not meant to be used as a medical device or to replace one.

Blood pressure sensors work in a different way to heart rate monitoring. To accurately measure blood pressure, it is necessary to briefly stop the circulation of blood. This allows for the force required by the heart to pump blood around the body to be recorded at the time of pumping (the systolic pressure) and in between pumps (the diastolic pressure). For this to be achieved, a wrist strap that can inflate, similar to the cuff of an automatic blood pressure monitor, is required. This option would be the most accurate and reliable, but also the least convenient.

RADIATION LEVEL MONITOR

Detect Radiation Level to avoid physical damage. Detecting radiation levels is important to avoid physical damage because high levels of radiation can cause serious harm to the human body, including damage to cells and organs, and an increased risk of cancer. By monitoring and detecting radiation levels in the environment, individuals can take appropriate precautions such as leaving the area or using protective gear to minimize their exposure and reduce the risk of physical harm.

NON INVASIVE BLOOD GLUCOSE MONITOR

Designed with advanced non-invasive technology, these smartwatches offer a seamless and painless solution for people with type 1, type 2, and gestational diabetes. They use advanced optical sensors and spectroscopy to analyze glucose levels through the skin, eliminating the traditional finger prick method.

URIC ACID DETECTION MONITOR

Yuuma Smartwatches equipped with uric acid detection capability use specialized biosensors, such as electrochemical sensors. These sensors are designed to specifically detect and measure uric acid levels in the body.

Sample collection:

To measure uric acid, you may need to provide a small sample of your blood or other bodily fluids. Some smartwatches have built-in mechanisms for collecting these samples, while others may require the use of external accessories like test strips or cartridges.

Measurement and analysis:

The sensor in the smartwatch comes into contact with the collected sample, and it detects any chemical reactions that occur when it interacts with uric acid molecules present in the sample. These reactions generate an electrical signal that is then converted into numerical data using algorithms within the smartwatch.

Data display and tracking:

The measured uric acid level is displayed on the screen of the smartwatch in real-time or stored for later analysis on a connected smartphone app or cloud platform. This allows users to track their uric acid levels over time and observe any patterns or changesIt's important to note that while some smartwatches claim to accurately measure uric acid levels, medical-grade accuracy can only be achieved through laboratory tests conducted healthcare professionals using specialized equipment. Smartwatch-based measurements should be used as an indicative reference rather than definitive medical diagnostic tools.

BLOOD LIPID CHANGES MONITOR

Yuuma smartwatches equipped with blood lipid monitoring capabilities typically use a combination of optical sensors, electrical sensors, and sophisticated algorithms to estimate lipid levels in the blood.

Optical Sensors:

These sensors use light to measure various properties of the blood. By emitting light into the skin and measuring the light that is reflected back, the smartwatch can gather data on blood flow and composition. Different wavelengths of light can penetrate the skin to different depths and can be used to detect various biomarkers.

Electrical Sensors:

Some smartwatches also use bioimpedance sensors, which measure the resistance of body tissues to a small electrical current. This can provide additional data on blood composition and help in estimating lipid levels.

Data Analysis:

The raw data collected by the sensors is processed using advanced algorithms. These algorithms analyze patterns and changes in the data to estimate levels of different blood lipids, such as cholesterol and triglycerides.

ECG MEASURE (Detection of abnormal Cardiac signals)

Smartwatches equipped with ECG (electrocardiogram) capabilities monitor cardiac signals and detect abnormalities using the following key steps:

1. Electrical Sensors:

Electrodes: Smartwatches have built-in electrodes, typically located on the back of the watch and the bezel or crown. These electrodes detect electrical signals generated by the heart.

2. Data Collection:

- ECG Recording:

When the user initiates an ECG recording, they place their finger on the watch's electrode. This completes the circuit between the heart and the electrodes, allowing the watch to record the electrical activity of the heart.

- Duration:

The recording usually lasts around 30 seconds, capturing a single-lead ECG, which shows the heart's rhythm and electrical activity over that period.

3. Signal Processing:

- Waveform Analysis:

The smartwatch processes the captured electrical signals to produce an ECG waveform, displaying the different phases of the heart's electrical cycle (P-wave, QRS complex, and T-wave).

4.Abnormality Detection:

- Algorithm Analysis:

Advanced algorithms analyze the ECG waveform to detect irregularities such as atrial fibrillation (AFib), bradycardia (slow heart rate), and tachycardia (fast heart rate).

- Comparison with Norms:

The smartwatch compares the recorded data against established norms to identify potential abnormalities.

5. User Feedback:

- Results Display:

The smartwatch displays the results of the ECG analysis, indicating whether the heart rhythm is normal or if any irregularities are detected.

- Health Alerts:

If abnormalities are found, the smartwatch may prompt the user to seek medical advice and provide an option to share the ECG data with healthcare professionals.

By using these steps, smartwatches offer a convenient, non-invasive way to monitor heart health and detect potential cardiac issues in real-time.

METTER TEST

To know your Metabolic level in different states. Your metabolism is the process by which your body converts food and oxygen into energy. During a metabolic test, you typically undergo two different assessments: resting metabolic rate (RMR) and exercise metabolic rate (EMR).

1. Resting Metabolic Rate (RMR):

This measurement determines how energy your body requires at rest. It is usually conducted in a relaxed state when you are lying down or sitting comfortably. The test measures the amount of oxygen you consume and the amount of carbon dioxide you produce to calculate the number of calories burned while at rest. TheMR reflects approximately 60-75% of your total daily energy expenditure.

2. Exercise Metabolic Rate (EMR):

This measurement determines how many calories your body burns during physical activity or exercise. EMR tests are performed while engaging in various exercises on equipment like treadmills, stationary bikes, or elliptical machines. monitoring breathing patterns and gas exchange during exercise at different intensities, it estimates how efficiently your body utilizes oxygen to generate energy.

The main purpose of these tests is to assess an individual's unique metabolism and valuable information related to weight management, nutrition planning, fitness programs, and overall health optimization.

CALORIE TRACKING

Based on inputs such as age, weight, gender, heart rate data, and physical activity levels registered through sensors like accelerometers or gyroscopes, our Yuuma smartwatches can estimate calories burned during workouts.

BMI - Body Mass Index Analysis

Body Mass Index (BMI) analysis via smartwatches typically involves using sensors to gather data on the user's physical activity, heart rate, and other health metrics. Here's a concise explanation of how it works:

Data Collection:

1. Accelerometers:

Measure physical activity and motion to estimate calorie expenditure and activity levels.

2. Heart Rate Monitors:

Track heart rate, which helps in estimating energy expenditure and overall fitness level.

User Input: The user manually inputs key data such as height and weight into the smartwatch or its companion app.

BMI Calculation:

The Yuuma smartwatch uses the standard BMI formula:

3. Automated Updates:

If the smartwatch has a connected scale, it can automatically update the weight data.

4. Health Metrics Integration:

The Yuuma smartwatch integrates physical activity data and heart rate trends to provide more context about the user's fitness and overall health, supplementing the BMI data.

5. Feedback:

The Yuuma smartwatch displays the calculated BMI and may provide additional insights or recommendations based on the user's activity levels and health data. By combining user input with sensor data, smartwatches provide an easy way to calculate and monitor BMI as part of broader health and fitness tracking.

Remember that not all Yuuma smartwatches have all these sensors; it depends on the model. Always check the product details to see which sensors are included!



Address

Neuburgerstr. 40,

Augsburg 86167

Germany



Office Hours
9:00 - 18:00



Call or whatsapp us

+32 477 50 17 48



Email us

info@ianusinvestments.com



Impressum

VIEW IMPRESSUM



Request Info

Your Name Field is required

Email Field is required Incorrect email

Phone Field is required

Message Field is required

Your message was sent successfully

Sorry, your message was not sent



Order & Sales Info

Warranty

The assortment of our Yuuma store product is guaranteed for one year from the date of purchase, subject to normal usage conditions and adherence to the instructions for use recommended by the manufacturer. In the event that the product needs to be repaired during this guarantee period, the repair will be undertaken by our after-sales technicians providing that: the product has not been subjected to shock, immersion, etc. the problem has not been caused by inappropriate handling, fair wear and tear or failure to maintain the product (e.g. clogging); the product has not been repaired in any way by any after-sales service other than that of our Yuuma store or been interfered with by any person not approved by the seller; the product has not been modified in any way from its original condition.

WHAT PRODUCTS ARE PROVIDED WITH THE WARRANTY?

01 Products Purchased at Our Online Store

We guarantee the highest quality of the products purchased at our Appelwatch store. Our sales managers keep record of all the orders you place. If you are not satisfied with the quality of your purchase, you can turn to our warranty service and they will settle the issue.

02 Not Damaged Products

We guarantee the highest quality of the products purchased at our Online store. Our sales managers keep record of all the orders you place. If you are not satisfied with the quality of your purchase, you can turn to our warranty service and they will settle the issue.

03 Products with Available Paid Check

When you pay for the product you have chosen at our Online store, you get the check. It’s an important document, so please save it until the end of guarantee period. Products with available paid checks will free you from headaches in case of warranty case.

04 Products that Were Not Repaired By Third Parties

If the products you return to our Online store have not been repaired by the third parties, they are liable to warranty. Don’t go to the street corner repairing office that is close to your house. Talk to our warranty technicians first, they are here to help you with any problem you may face.

05 Products with Not Damaged Original Packing

All products bought at our store are delivered to you in the original packing. Please save it till the end of warranty period because if you decide to return the item for some reason, it should have the original packing that is not damaged in any way.

06 Products that Were Not Used Longer than their Warranty Period

You have the right to return the product within 14 days since its receipt. Contact our service center via telephone, email or online chat. You will get all necessary instructions on how to deal with the issue. We promise to handle your claim quickly and make you happy with your bargain.

WHERE TO APPLY FOR WARRANTY SERVICE?

Service Center in Your City

If our service center is available in your city, you may turn there for warranty repairing, refund or product replacement. Service manager will inspect the item you wish to repair/return or replace and do everything possible to settle your issue as quickly as possible.

Onsite/In-Home Service

In some cases it is possible to invite a service manager right to your office, home or settle the issue right on site. Parts and labor repair where labor is provided onsite at your place of business or home are covered by us according to the warranty policy.

IN WHAT CASES THE WARRANTY IS NOT PROVIDED?

Damages from wear and tear

Please note that our guarantee does not cover product damages that may have resulted from normal wear and tear of the product you have purchased from our store.

Unauthorized repairing services

When the product is being repaired by unauthorized service organizations, engineers or technicians the buyer loses his/her right for free warranty service.

Not branded items

This warranty does not apply to any items not branded by our company even if packaged or sold with our original products. Such kind of products may have the benefit of a manufacturer's warranty.

Misuse or abuse

LIf the product purchased at our store has visual traces of misuse or abuse, this case is also not covered by guarantee services. The store can render repairing services at your expense.

Natural disaster

Natural disaster is a force majeure the seller can’t prevent. So, when the product has failed from the natural disaster, the store is not obliged to refund or repair it.

Expired warranty period

The warranty begins on the date of purchase on the purchase receipt. In case the purchase receipt is not provided, the warranty period is considered to have started 6 months after the date of manufacturing on the product or as derived from the serial number of the product.

CHANGE AND RETURN

If you are not satisfied with your purchase on arrival you have fourteen (14) days starting from the delivery date to return or exchange the article. What should you do? Login to our website. Once logged inside your private area, please access the orders menu. Inside the orders list, please seek the order you want to make the return and click the button "Return items". Select the product you want to return within the order. Select return cause within the pull-down menu. Select the type of return: money refund or change for another size or color. If the return is a size change or color change, please select the model you want to make the change from the pull-down menu that appears on the screen when selecting the option. Click the "Confirm Return" button. You started the return process! Wait for the confirmation email; it will explain your following steps.

Delivery

Delivery Options

Hello and welcome to shipping and delivery page of the Store. Here you can read some details about a nifty little lifecycle of your order's journey from the time you place your order to your new treasures arriving at your doorstep. At first you choose the product you like. Then you put into your shopping cart and pass the checkout process in a few clicks. Our store offers several payment and delivery methods, so you have an opportunity to choose which one is the most convenient for you.



Cash & carry

If you choose cash and carry method, please note that this means that you should pay cash for the goods you purchase and carry them away yourself. In this case we do not offer credit accounts and delivery service. This is a common policy for cash and carry delivery method. Not too convenient for you? Please read on and get to know what else delivery methods do we provide. Please be sure that we have foreseen different situations and offer other delivery methods that may fit you best.



Pick-up from a Post parcel point in your city

A parcel point is an easy and convenient way to receive items in your city. Shop in our online store, then selects the parcel point as the delivery type and choose the preferred pick-up location. The item will be in the parcel point selected by you the next day after 4 p.m., or some time later in some areas. The Parcel Points are available in central locations and during the opening hours of shops, also on weekends. More than half customers pick up their parcel already on the day of its delivery.



Shipment to the door

What happens when you choose shipment to the door option? Our store takes responsibility for dealing with all the tasks involved in moving goods from the manufacturing plant to the buyer/consignee's door. It is our responsibility to insure the goods and absorb all costs and risks including the payment of duty and fees. In other words, the selling cost of goods includes all expenses inclusive of taxes to reach the goods at the door step of your premises.



International delivery

International delivery is regulated by EXW, Incoterms 2010. Any dates quoted for delivery of the goods are approximate only and the Appelwatch store shall not be deemed to be in delay in delivery of the goods unless actual delivery of goods occurs later than four weeks from the quoted approximate delivery date and having received the Buyer’s written notification. The buyer shall comply with all laws governing the importation of the goods into the country of destination.

Legal Notice

Unless otherwise indicated on the face of the Store invoice, all prices are quoted on a per euro basis. Buyer is responsible for any tax or government charges imposed upon the sale or transfer of the Product. Buyer shall not have any right to set off any amounts due hereunder against any amounts which may become payable to Seller under any other agreement.

 How can I pay for my order?

We accept Paypal with Visa, MasterCard, and American Express credit and debit cards for your convenience.

 Can I track my order?

Yes, you can! After placing your order in the Appelwatch Store you will receive an order confirmation via email. Each order starts production 24 hours after your order is placed. Within 72 hours of you placing your order, you will receive an expected delivery date. When the order ships, you will receive another email with the tracking number and a link to trace the order online with the carrier.

Secure Payment

Secure payment

Visa & mastercard

Payment is the final step of the purchasing process. It should never be an obstacle. Our store pays special attention to this point as making payment in a secured environment is a primary concern of individuals. With e-commerce growth, and more recently the m-commerce evolution, it is essential to choose a payment solution optimized to Smartphone’s and tablets. It is equally important to choose the solution which offers a specific selection of credit cards that are most popular in the merchants target markets. We take Visa & MasterCard as they are widely used by cyber customers.

Noncash payment

Noncash is a method of paying for goods and services that does not involve the exchange of cash. Examples of noncash payment instruments include checks and credit cards. In the United States, most noncash payments are made using checks, credit cards, debit cards, and the electronic payment system called the automated clearinghouse (ACH) — collectively referred to as retail noncash payments. Just choose which of the listed noncash payment methods is more convenient for you.

Cash payment

Cash payment is a form of liquid funds given by a consumer to a provider of goods or services (our store in the given case) as compensation for receiving the products we provide. In most domestic business transactions, a cash payment will typically be made in the currency of the country where the transaction takes place, either in paper currency, in coins or in an appropriate combination. Keeping cash on hand can be a great way to avoid overspending. You can choose exactly how much cash you're willing to spend and stop spending when you're out of cash.

FAQ

FAQs

If you need help, we have a list of frequently asked questions and answers. We strive to give you the best buying experience possible. Click a question below to view the answer.

How can I change something in my order?

If you need to change something your order, please contact us immediately. We usually process orders within 2-4 hours, and once we have processed your order, we will be unable to make any changes.

Change order
Cancel order online
Cancel order using automated system
Unable to cancel order

How can I pay for my order?

We accept Visa, MasterCard, and American Express credit and debit cards for your convenience.

Can I track my order?

Yes, you can! After placing your order you will receive an order confirmation via email. Each order starts production 24 hours after your order is placed. Within 72 hours of you placing your order, you will receive an expected delivery date. When the order ships, you will receive another email with the tracking number and a link to trace the order online with the carrier.

Can I return an item?

Please visit our Returns & Exchanges page for more information.

How long will my order take to be delivered?

Delivery times will depend on your location. Once payment is confirmed your order will be packaged. Delivery can be expected within 10 business days.

Do I need an account and what are the benefits?

It's not required to create an account. But, having an account provides easier checkout, the ability to create and send a wishlist, and a customized shopping experience.



FAQ Order & Sales Info

Warranty

The assortment of our Yuuma store product is guaranteed for one year from the date of purchase, subject to normal usage conditions and adherence to the instructions for use recommended by the manufacturer. In the event that the product needs to be repaired during this guarantee period, the repair will be undertaken by our after-sales technicians providing that: the product has not been subjected to shock, immersion, etc. the problem has not been caused by inappropriate handling, fair wear and tear or failure to maintain the product (e.g. clogging); the product has not been repaired in any way by any after-sales service other than that of our Yuuma store or been interfered with by any person not approved by the seller; the product has not been modified in any way from its original condition.

WHAT PRODUCTS ARE PROVIDED WITH THE WARRANTY?

01 Products Purchased at Our Online Store

We guarantee the highest quality of the products purchased at our Appelwatch store. Our sales managers keep record of all the orders you place. If you are not satisfied with the quality of your purchase, you can turn to our warranty service and they will settle the issue.

02 Not Damaged Products

We guarantee the highest quality of the products purchased at our Online store. Our sales managers keep record of all the orders you place. If you are not satisfied with the quality of your purchase, you can turn to our warranty service and they will settle the issue.

03 Products with Available Paid Check

When you pay for the product you have chosen at our Online store, you get the check. It’s an important document, so please save it until the end of guarantee period. Products with available paid checks will free you from headaches in case of warranty case.

04 Products that Were Not Repaired By Third Parties

If the products you return to our Online store have not been repaired by the third parties, they are liable to warranty. Don’t go to the street corner repairing office that is close to your house. Talk to our warranty technicians first, they are here to help you with any problem you may face.

05 Products with Not Damaged Original Packing

All products bought at our store are delivered to you in the original packing. Please save it till the end of warranty period because if you decide to return the item for some reason, it should have the original packing that is not damaged in any way.

06 Products that Were Not Used Longer than their Warranty Period

You have the right to return the product within 14 days since its receipt. Contact our service center via telephone, email or online chat. You will get all necessary instructions on how to deal with the issue. We promise to handle your claim quickly and make you happy with your bargain.

WHERE TO APPLY FOR WARRANTY SERVICE?

Service Center in Your City

If our service center is available in your city, you may turn there for warranty repairing, refund or product replacement. Service manager will inspect the item you wish to repair/return or replace and do everything possible to settle your issue as quickly as possible.

Onsite/In-Home Service

In some cases it is possible to invite a service manager right to your office, home or settle the issue right on site. Parts and labor repair where labor is provided onsite at your place of business or home are covered by us according to the warranty policy.

IN WHAT CASES THE WARRANTY IS NOT PROVIDED?

Damages from wear and tear

Please note that our guarantee does not cover product damages that may have resulted from normal wear and tear of the product you have purchased from our store.

Unauthorized repairing services

When the product is being repaired by unauthorized service organizations, engineers or technicians the buyer loses his/her right for free warranty service.

Not branded items

This warranty does not apply to any items not branded by our company even if packaged or sold with our original products. Such kind of products may have the benefit of a manufacturer's warranty.

Misuse or abuse

LIf the product purchased at our store has visual traces of misuse or abuse, this case is also not covered by guarantee services. The store can render repairing services at your expense.

Natural disaster

Natural disaster is a force majeure the seller can’t prevent. So, when the product has failed from the natural disaster, the store is not obliged to refund or repair it.

Expired warranty period

The warranty begins on the date of purchase on the purchase receipt. In case the purchase receipt is not provided, the warranty period is considered to have started 6 months after the date of manufacturing on the product or as derived from the serial number of the product.

CHANGE AND RETURN

If you are not satisfied with your purchase on arrival you have fourteen (14) days starting from the delivery date to return or exchange the article. What should you do? Login to our website. Once logged inside your private area, please access the orders menu. Inside the orders list, please seek the order you want to make the return and click the button "Return items". Select the product you want to return within the order. Select return cause within the pull-down menu. Select the type of return: money refund or change for another size or color. If the return is a size change or color change, please select the model you want to make the change from the pull-down menu that appears on the screen when selecting the option. Click the "Confirm Return" button. You started the return process! Wait for the confirmation email; it will explain your following steps.

Delivery

Delivery Options

Hello and welcome to shipping and delivery page of the Store. Here you can read some details about a nifty little lifecycle of your order's journey from the time you place your order to your new treasures arriving at your doorstep. At first you choose the product you like. Then you put into your shopping cart and pass the checkout process in a few clicks. Our store offers several payment and delivery methods, so you have an opportunity to choose which one is the most convenient for you.



Cash & carry

If you choose cash and carry method, please note that this means that you should pay cash for the goods you purchase and carry them away yourself. In this case we do not offer credit accounts and delivery service. This is a common policy for cash and carry delivery method. Not too convenient for you? Please read on and get to know what else delivery methods do we provide. Please be sure that we have foreseen different situations and offer other delivery methods that may fit you best.



Pick-up from a Post parcel point in your city

A parcel point is an easy and convenient way to receive items in your city. Shop in our online store, then selects the parcel point as the delivery type and choose the preferred pick-up location. The item will be in the parcel point selected by you the next day after 4 p.m., or some time later in some areas. The Parcel Points are available in central locations and during the opening hours of shops, also on weekends. More than half customers pick up their parcel already on the day of its delivery.



Shipment to the door

What happens when you choose shipment to the door option? Our store takes responsibility for dealing with all the tasks involved in moving goods from the manufacturing plant to the buyer/consignee's door. It is our responsibility to insure the goods and absorb all costs and risks including the payment of duty and fees. In other words, the selling cost of goods includes all expenses inclusive of taxes to reach the goods at the door step of your premises.



International delivery

International delivery is regulated by EXW, Incoterms 2010. Any dates quoted for delivery of the goods are approximate only and the Appelwatch store shall not be deemed to be in delay in delivery of the goods unless actual delivery of goods occurs later than four weeks from the quoted approximate delivery date and having received the Buyer’s written notification. The buyer shall comply with all laws governing the importation of the goods into the country of destination.

Legal Notice

Unless otherwise indicated on the face of the Store invoice, all prices are quoted on a per euro basis. Buyer is responsible for any tax or government charges imposed upon the sale or transfer of the Product. Buyer shall not have any right to set off any amounts due hereunder against any amounts which may become payable to Seller under any other agreement.

 How can I pay for my order?

We accept Paypal with Visa, MasterCard, and American Express credit and debit cards for your convenience.

 Can I track my order?

Yes, you can! After placing your order in the Appelwatch Store you will receive an order confirmation via email. Each order starts production 24 hours after your order is placed. Within 72 hours of you placing your order, you will receive an expected delivery date. When the order ships, you will receive another email with the tracking number and a link to trace the order online with the carrier.

Secure Payment

Secure payment

Visa & mastercard

Payment is the final step of the purchasing process. It should never be an obstacle. Our store pays special attention to this point as making payment in a secured environment is a primary concern of individuals. With e-commerce growth, and more recently the m-commerce evolution, it is essential to choose a payment solution optimized to Smartphone’s and tablets. It is equally important to choose the solution which offers a specific selection of credit cards that are most popular in the merchants target markets. We take Visa & MasterCard as they are widely used by cyber customers.

Noncash payment

Noncash is a method of paying for goods and services that does not involve the exchange of cash. Examples of noncash payment instruments include checks and credit cards. In the United States, most noncash payments are made using checks, credit cards, debit cards, and the electronic payment system called the automated clearinghouse (ACH) — collectively referred to as retail noncash payments. Just choose which of the listed noncash payment methods is more convenient for you.

Cash payment

Cash payment is a form of liquid funds given by a consumer to a provider of goods or services (our store in the given case) as compensation for receiving the products we provide. In most domestic business transactions, a cash payment will typically be made in the currency of the country where the transaction takes place, either in paper currency, in coins or in an appropriate combination. Keeping cash on hand can be a great way to avoid overspending. You can choose exactly how much cash you're willing to spend and stop spending when you're out of cash.

FAQ Sales & Orders

FAQ's

If you need help, we have a list of frequently asked questions and answers. We strive to give you the best buying experience possible. Click a question below to view the answer.

How can I change something in my order?

If you need to change something your order, please contact us immediately. We usually process orders within 2-4 hours, and once we have processed your order, we will be unable to make any changes.

Change order
Cancel order online
Cancel order using automated system
Unable to cancel order

How can I pay for my order?

We accept Visa, MasterCard, and American Express credit and debit cards for your convenience.

Can I track my order?

Yes, you can! After placing your order you will receive an order confirmation via email. Each order starts production 24 hours after your order is placed. Within 72 hours of you placing your order, you will receive an expected delivery date. When the order ships, you will receive another email with the tracking number and a link to trace the order online with the carrier.

Can I return an item?

Please visit our Returns & Exchanges page for more information.

How long will my order take to be delivered?

Delivery times will depend on your location. Once payment is confirmed your order will be packaged. Delivery can be expected within 10 business days.

Do I need an account and what are the benefits?

It's not required to create an account. But, having an account provides easier checkout, the ability to create and send a wishlist, and a customized shopping experience.

FAQ iSmartglasses

FAQ's Yuuma iSmartglasses

If you need help, we have a list of frequently asked questions and answers. We strive to give you the best buying experience possible. Click a question below to view the answer.

What are the major differences between XREAL Air 2 Ultra and XREAL Light?

XREAL Air 2 Ultra is much lighter, features better comfort, and is more fashionable. Both glasses leverage advanced AR features like labeled depth meshes and spatial anchor through the updated NRSDK 2.2. However, the XREAL Light has an RGB camera that the Air 2 Ultra does not.

What Android version can I use for development on XREAL Air 2 Ultra?

Compatible Android versions vary across phone models. Please refer to our compatibility list and adjust the project target API level accordingly.

Does NRSDK 2.2 support OpenXR?

No, NRSDK 2.2 does not currently support OpenXR.

What are the policies regarding 3D environment sensor data? What can be accessed using NRSDK?

We have decided not to make the 3D environment sensor data accessible to developers due to privacy considerations. These sensors are not intended for capturing photos; instead, they serve specific purposes such as hand-tracking and depth meshing.

Are there any cameras available for taking photos or recording videos?

No, there are no cameras available for these purposes.

Do I have to upgrade NRSDK to run my applications on XREAL Air 2 Ultra?

Yes. XREAL Air 2 Ultra works only with NRSDK 2.2 and later.

Is Air 2 Ultra compatible with the Nreal Developer Kit hardware device？

Sorry. XREAL Air 2 Ultra is not compatible with the Nreal Developer Kit. The NRSDK stopped supporting the Nreal Developer Kit since version 2.1.

FAQ YUUMA Smartwatches

FAQ's Yuuma Smartwatches

If you need help, we have a list of frequently asked questions and answers. We strive to give you the best buying experience possible. Click a question below to view the answer.

How waterproof is my Yuuma smartwatch?

We will explaini the difference between ATM versus IP68 as it pertains to the water resistance of our Yuuma watches.

1 ATM waterproof

1 atm in scientific terms means a pressure of 1 atmosphere. It is used to measure the pressure of the atmosphere on a particular point on the Earth's surface. When it comes to water resistance, 1 atm means that the pressure exerted by the water on an object is equal to 1 atmosphere, which is approximately 14.503 psi (pounds per square inch).

1 ATM water resistant means that a Yuuma watch can withstand the air pressure of up to one atmosphere, or 10 meters (about 33 feet) underwater.

IP68 waterproof

If a watch has an IP68 water resistance, this means that it is both dust tight, and can withstand being fully submersed into water over a meter deep.

IP67 waterproof

If a watch has an IP67 water resistance, this means that it is both dust tight, and can withstand being temporaly submersed into water over a meter deep.

IP65 waterproof

If a watch has an IP65 water resistance, this means that water projected from a nozzle from any direction shall have no harmful effects.

What about Near Field Communications (NFC)

NFC, of Near Field Communication, is een draadloze technologie met een kort bereik waarmee apparaten met elkaar kunnen communiceren als ze dicht bij elkaar in de buurt zijn, meestal binnen een paar centimeter. Dit is hoe NFC wordt gebruikt in onze smartwatches:

1. Contactloze betalingen: Een van de populairste toepassingen van NFC in smartwatches is voor het doen van betalingen. Door je bankkaartgegevens op je smartwatch op te slaan, kun je veilige, contactloze betalingen doen bij NFC-geschikte terminals. Dit is vergelijkbaar met het gebruik van een contactloze creditcard, maar dan nog handiger omdat het om je pols zit.

2. Toegangscontrole: NFC kan ook worden gebruikt voor toegangscontrole, zoals het ontgrendelen van deuren of toegang tot het openbaar vervoer. Veel moderne hotels en kantoorgebouwen gebruiken NFC-technologie voor sleutelloze toegang en je kunt deze digitale sleutels opslaan op je smartwatch.

3. Gegevensoverdracht: NFC maakt snelle en eenvoudige gegevensoverdracht tussen apparaten mogelijk. Je kunt bijvoorbeeld contactgegevens, foto's of andere kleine bestanden delen door simpelweg op je smartwatch tegen een ander apparaat met NFC te tikken

4. Ticketing: Smartwatches met NFC kunnen digitale tickets voor evenementen, concerten of openbaar vervoer opslaan. Dit maakt het gemakkelijk om toegang te krijgen tot locaties of om op bussen en treinen te stappen door gewoon op je pols te tikken.

In het algemeen verbetert NFC de functionaliteit van smartwatches door alledaagse taken gemakkelijker en veiliger te maken.

What about the "AI Voice Intelligent Dial Creator "

An AI Voice Intelligent Dial Creator on a smartwatch is a feature that allows users to customize their watch faces using voice commands. This can include setting different widgets, changing the layout and selecting different themes or styles, all through simple voice interactions. Here are some key aspects:

Customization: You can personalize your watch face by adding or removing widgets, such as weather, fitness statistics, calendar events and more, just by talking to your smartwatch.

Ease of use: This feature makes it easy to change the look and functionality of your watch face without having to navigate through menus or use a smartphone app.

Dynamic updates: The AI can suggest changes based on your usage patterns, such as highlighting fitness stats during workouts or showing calendar events during work hours.

Voice commands: You can use natural language to make changes, such as “Display my pedometer” or “Switch to a minimalist theme.”

Translated with DeepL.com (free version)

What about the "AI Voice Assistant"

With an AI-Voice assistant on a smartwatch, you can communicate with your device via voice commands, making it more convenient and hands-free. Here are some key features:

1. Set reminders and alarms: You can ask the assistant to set reminders or alarms without typing anything.

2. Send messages and make calls: You can dictate messages or make calls directly from your smartwatch.

3. Control smart home devices: If you have smart home devices, you can control them with voice commands through your smartwatch.

4. Getting information: You can ask questions and get quick answers, such as weather reports, news or directions.

5. Manage tasks: The assistant can help you manage your schedule, check your calendar and add events.

6. Fitness and health tracking: You can start workouts, check the number of steps or measure your heart rate with voice commands.

The different sensors in Our Yuuma Smartwatches

Smartwatches incorporate various sensors to enhance their functionality. Here are some of the key sensors you’ll find in our Yuuma smartwatches:

ACCELEROMETER

This sensor tracks your body movements by counting steps and also monitors your sleep patterns. It measures acceleration across the X, Y, and Z axes. Keep in mind that accuracy can vary depending on the quality of the wearable device.

GYROSCOPE

The gyroscope measures angular velocity, going beyond linear motion detection. It helps differentiate activities (like jogging vs. running) and contributes to accurate motion tracking.

HEART RATE MONITOR

Smartwatches use optical sensors to measure your heart rate continuously. This data is valuable for fitness tracking and health insights.

GPS (Global Positioning System):

GPS provides location information, allowing smartwatches to track your outdoor activities, navigation, and location-based services.

BAROMETER

Some smartwatches include a barometer to measure atmospheric pressure. It helps predict weather changes and altitude tracking.

SpO2 SENSOR (Oximetry):

Measures blood oxygen levels, providing insights into overall health and fitness.

SKIN TEMPERATURE SENSORS

These sensors monitor your skin temperature, which can be useful for detecting fever or changes in body temperature.

BLOODPRESSURE MONITOR

Our Yuuma smartwatches have the ability to measure and estimate blood pressure using optical sensors, to some degree of accuracy. They are not meant to be used as a medical device or to replace one.

Blood pressure sensors work in a different way to heart rate monitoring. To accurately measure blood pressure, it is necessary to briefly stop the circulation of blood. This allows for the force required by the heart to pump blood around the body to be recorded at the time of pumping (the systolic pressure) and in between pumps (the diastolic pressure). For this to be achieved, a wrist strap that can inflate, similar to the cuff of an automatic blood pressure monitor, is required. This option would be the most accurate and reliable, but also the least convenient.

RADIATION LEVEL MONITOR

Detect Radiation Level to avoid physical damage. Detecting radiation levels is important to avoid physical damage because high levels of radiation can cause serious harm to the human body, including damage to cells and organs, and an increased risk of cancer. By monitoring and detecting radiation levels in the environment, individuals can take appropriate precautions such as leaving the area or using protective gear to minimize their exposure and reduce the risk of physical harm.

NON INVASIVE BLOOD GLUCOSE MONITOR

Designed with advanced non-invasive technology, these smartwatches offer a seamless and painless solution for people with type 1, type 2, and gestational diabetes. They use advanced optical sensors and spectroscopy to analyze glucose levels through the skin, eliminating the traditional finger prick method.

URIC ACID DETECTION MONITOR

Yuuma Smartwatches equipped with uric acid detection capability use specialized biosensors, such as electrochemical sensors. These sensors are designed to specifically detect and measure uric acid levels in the body.

Sample collection:

To measure uric acid, you may need to provide a small sample of your blood or other bodily fluids. Some smartwatches have built-in mechanisms for collecting these samples, while others may require the use of external accessories like test strips or cartridges.

Measurement and analysis:

The sensor in the smartwatch comes into contact with the collected sample, and it detects any chemical reactions that occur when it interacts with uric acid molecules present in the sample. These reactions generate an electrical signal that is then converted into numerical data using algorithms within the smartwatch.

Data display and tracking:

The measured uric acid level is displayed on the screen of the smartwatch in real-time or stored for later analysis on a connected smartphone app or cloud platform. This allows users to track their uric acid levels over time and observe any patterns or changesIt's important to note that while some smartwatches claim to accurately measure uric acid levels, medical-grade accuracy can only be achieved through laboratory tests conducted healthcare professionals using specialized equipment. Smartwatch-based measurements should be used as an indicative reference rather than definitive medical diagnostic tools.

BLOOD LIPID CHANGES MONITOR

Yuuma smartwatches equipped with blood lipid monitoring capabilities typically use a combination of optical sensors, electrical sensors, and sophisticated algorithms to estimate lipid levels in the blood.

Optical Sensors:

These sensors use light to measure various properties of the blood. By emitting light into the skin and measuring the light that is reflected back, the smartwatch can gather data on blood flow and composition. Different wavelengths of light can penetrate the skin to different depths and can be used to detect various biomarkers.

Electrical Sensors:

Some smartwatches also use bioimpedance sensors, which measure the resistance of body tissues to a small electrical current. This can provide additional data on blood composition and help in estimating lipid levels.

Data Analysis:

The raw data collected by the sensors is processed using advanced algorithms. These algorithms analyze patterns and changes in the data to estimate levels of different blood lipids, such as cholesterol and triglycerides.

ECG MEASURE (Detection of abnormal Cardiac signals)

Smartwatches equipped with ECG (electrocardiogram) capabilities monitor cardiac signals and detect abnormalities using the following key steps:

1. Electrical Sensors:

Electrodes: Smartwatches have built-in electrodes, typically located on the back of the watch and the bezel or crown. These electrodes detect electrical signals generated by the heart.

2. Data Collection:

- ECG Recording:

When the user initiates an ECG recording, they place their finger on the watch's electrode. This completes the circuit between the heart and the electrodes, allowing the watch to record the electrical activity of the heart.

- Duration:

The recording usually lasts around 30 seconds, capturing a single-lead ECG, which shows the heart's rhythm and electrical activity over that period.

3. Signal Processing:

- Waveform Analysis:

The smartwatch processes the captured electrical signals to produce an ECG waveform, displaying the different phases of the heart's electrical cycle (P-wave, QRS complex, and T-wave).

4.Abnormality Detection:

- Algorithm Analysis:

Advanced algorithms analyze the ECG waveform to detect irregularities such as atrial fibrillation (AFib), bradycardia (slow heart rate), and tachycardia (fast heart rate).

- Comparison with Norms:

The smartwatch compares the recorded data against established norms to identify potential abnormalities.

5. User Feedback:

- Results Display:

The smartwatch displays the results of the ECG analysis, indicating whether the heart rhythm is normal or if any irregularities are detected.

- Health Alerts:

If abnormalities are found, the smartwatch may prompt the user to seek medical advice and provide an option to share the ECG data with healthcare professionals.

By using these steps, smartwatches offer a convenient, non-invasive way to monitor heart health and detect potential cardiac issues in real-time.

METTER TEST

To know your Metabolic level in different states. Your metabolism is the process by which your body converts food and oxygen into energy. During a metabolic test, you typically undergo two different assessments: resting metabolic rate (RMR) and exercise metabolic rate (EMR).

1. Resting Metabolic Rate (RMR):

This measurement determines how energy your body requires at rest. It is usually conducted in a relaxed state when you are lying down or sitting comfortably. The test measures the amount of oxygen you consume and the amount of carbon dioxide you produce to calculate the number of calories burned while at rest. TheMR reflects approximately 60-75% of your total daily energy expenditure.

2. Exercise Metabolic Rate (EMR):

This measurement determines how many calories your body burns during physical activity or exercise. EMR tests are performed while engaging in various exercises on equipment like treadmills, stationary bikes, or elliptical machines. monitoring breathing patterns and gas exchange during exercise at different intensities, it estimates how efficiently your body utilizes oxygen to generate energy.

The main purpose of these tests is to assess an individual's unique metabolism and valuable information related to weight management, nutrition planning, fitness programs, and overall health optimization.

CALORIE TRACKING

Based on inputs such as age, weight, gender, heart rate data, and physical activity levels registered through sensors like accelerometers or gyroscopes, our Yuuma smartwatches can estimate calories burned during workouts.

BMI - Body Mass Index Analysis

Body Mass Index (BMI) analysis via smartwatches typically involves using sensors to gather data on the user's physical activity, heart rate, and other health metrics. Here's a concise explanation of how it works:

Data Collection:

1. Accelerometers:

Measure physical activity and motion to estimate calorie expenditure and activity levels.

2. Heart Rate Monitors:

Track heart rate, which helps in estimating energy expenditure and overall fitness level.

User Input: The user manually inputs key data such as height and weight into the smartwatch or its companion app.

BMI Calculation:

The Yuuma smartwatch uses the standard BMI formula:

3. Automated Updates:

If the smartwatch has a connected scale, it can automatically update the weight data.

4. Health Metrics Integration:

The Yuuma smartwatch integrates physical activity data and heart rate trends to provide more context about the user's fitness and overall health, supplementing the BMI data.

5. Feedback:

The Yuuma smartwatch displays the calculated BMI and may provide additional insights or recommendations based on the user's activity levels and health data. By combining user input with sensor data, smartwatches provide an easy way to calculate and monitor BMI as part of broader health and fitness tracking.

Remember that not all Yuuma smartwatches have all these sensors; it depends on the model. Always check the product details to see which sensors are included!

How waterproof is my Yuuma smartwatch?

We will explaini the difference between ATM versus IP68 as it pertains to the water resistance of our Yuuma watches.

1 ATM waterproof

1 atm in scientific terms means a pressure of 1 atmosphere. It is used to measure the pressure of the atmosphere on a particular point on the Earth's surface. When it comes to water resistance, 1 atm means that the pressure exerted by the water on an object is equal to 1 atmosphere, which is approximately 14.503 psi (pounds per square inch).

1 ATM water resistant means that a Yuuma watch can withstand the air pressure of up to one atmosphere, or 10 meters (about 33 feet) underwater.

IP68 waterproof

If a watch has an IP68 water resistance, this means that it is both dust tight, and can withstand being fully submersed into water over a meter deep.

IP67 waterproof

If a watch has an IP67 water resistance, this means that it is both dust tight, and can withstand being temporaly submersed into water over a meter deep.

IP65 waterproof

If a watch has an IP65 water resistance, this means that water projected from a nozzle from any direction shall have no harmful effects.

What about Near Field Communications (NFC)

NFC, of Near Field Communication, is een draadloze technologie met een kort bereik waarmee apparaten met elkaar kunnen communiceren als ze dicht bij elkaar in de buurt zijn, meestal binnen een paar centimeter. Dit is hoe NFC wordt gebruikt in onze smartwatches:

1. Contactloze betalingen: Een van de populairste toepassingen van NFC in smartwatches is voor het doen van betalingen. Door je bankkaartgegevens op je smartwatch op te slaan, kun je veilige, contactloze betalingen doen bij NFC-geschikte terminals. Dit is vergelijkbaar met het gebruik van een contactloze creditcard, maar dan nog handiger omdat het om je pols zit.

2. Toegangscontrole: NFC kan ook worden gebruikt voor toegangscontrole, zoals het ontgrendelen van deuren of toegang tot het openbaar vervoer. Veel moderne hotels en kantoorgebouwen gebruiken NFC-technologie voor sleutelloze toegang en je kunt deze digitale sleutels opslaan op je smartwatch.

3. Gegevensoverdracht: NFC maakt snelle en eenvoudige gegevensoverdracht tussen apparaten mogelijk. Je kunt bijvoorbeeld contactgegevens, foto's of andere kleine bestanden delen door simpelweg op je smartwatch tegen een ander apparaat met NFC te tikken

4. Ticketing: Smartwatches met NFC kunnen digitale tickets voor evenementen, concerten of openbaar vervoer opslaan. Dit maakt het gemakkelijk om toegang te krijgen tot locaties of om op bussen en treinen te stappen door gewoon op je pols te tikken.

In het algemeen verbetert NFC de functionaliteit van smartwatches door alledaagse taken gemakkelijker en veiliger te maken.

What about the "AI Voice Intelligent Dial Creator "

An AI Voice Intelligent Dial Creator on a smartwatch is a feature that allows users to customize their watch faces using voice commands. This can include setting different widgets, changing the layout and selecting different themes or styles, all through simple voice interactions. Here are some key aspects:

Customization: You can personalize your watch face by adding or removing widgets, such as weather, fitness statistics, calendar events and more, just by talking to your smartwatch.

Ease of use: This feature makes it easy to change the look and functionality of your watch face without having to navigate through menus or use a smartphone app.

Dynamic updates: The AI can suggest changes based on your usage patterns, such as highlighting fitness stats during workouts or showing calendar events during work hours.

Voice commands: You can use natural language to make changes, such as “Display my pedometer” or “Switch to a minimalist theme.”

Translated with DeepL.com (free version)

What about the "AI Voice Assistant"

With an AI-Voice assistant on a smartwatch, you can communicate with your device via voice commands, making it more convenient and hands-free. Here are some key features:

1. Set reminders and alarms: You can ask the assistant to set reminders or alarms without typing anything.

2. Send messages and make calls: You can dictate messages or make calls directly from your smartwatch.

3. Control smart home devices: If you have smart home devices, you can control them with voice commands through your smartwatch.

4. Getting information: You can ask questions and get quick answers, such as weather reports, news or directions.

5. Manage tasks: The assistant can help you manage your schedule, check your calendar and add events.

6. Fitness and health tracking: You can start workouts, check the number of steps or measure your heart rate with voice commands.

The different sensors in Our Yuuma Smartwatches

Smartwatches incorporate various sensors to enhance their functionality. Here are some of the key sensors you’ll find in our Yuuma smartwatches:

ACCELEROMETER

This sensor tracks your body movements by counting steps and also monitors your sleep patterns. It measures acceleration across the X, Y, and Z axes. Keep in mind that accuracy can vary depending on the quality of the wearable device.

GYROSCOPE

The gyroscope measures angular velocity, going beyond linear motion detection. It helps differentiate activities (like jogging vs. running) and contributes to accurate motion tracking.

HEART RATE MONITOR

Smartwatches use optical sensors to measure your heart rate continuously. This data is valuable for fitness tracking and health insights.

GPS (Global Positioning System):

GPS provides location information, allowing smartwatches to track your outdoor activities, navigation, and location-based services.

BAROMETER

Some smartwatches include a barometer to measure atmospheric pressure. It helps predict weather changes and altitude tracking.

SpO2 SENSOR (Oximetry):

Measures blood oxygen levels, providing insights into overall health and fitness.

SKIN TEMPERATURE SENSORS

These sensors monitor your skin temperature, which can be useful for detecting fever or changes in body temperature.

BLOODPRESSURE MONITOR

Our Yuuma smartwatches have the ability to measure and estimate blood pressure using optical sensors, to some degree of accuracy. They are not meant to be used as a medical device or to replace one.

Blood pressure sensors work in a different way to heart rate monitoring. To accurately measure blood pressure, it is necessary to briefly stop the circulation of blood. This allows for the force required by the heart to pump blood around the body to be recorded at the time of pumping (the systolic pressure) and in between pumps (the diastolic pressure). For this to be achieved, a wrist strap that can inflate, similar to the cuff of an automatic blood pressure monitor, is required. This option would be the most accurate and reliable, but also the least convenient.

RADIATION LEVEL MONITOR

Detect Radiation Level to avoid physical damage. Detecting radiation levels is important to avoid physical damage because high levels of radiation can cause serious harm to the human body, including damage to cells and organs, and an increased risk of cancer. By monitoring and detecting radiation levels in the environment, individuals can take appropriate precautions such as leaving the area or using protective gear to minimize their exposure and reduce the risk of physical harm.

NON INVASIVE BLOOD GLUCOSE MONITOR

Designed with advanced non-invasive technology, these smartwatches offer a seamless and painless solution for people with type 1, type 2, and gestational diabetes. They use advanced optical sensors and spectroscopy to analyze glucose levels through the skin, eliminating the traditional finger prick method.

URIC ACID DETECTION MONITOR

Yuuma Smartwatches equipped with uric acid detection capability use specialized biosensors, such as electrochemical sensors. These sensors are designed to specifically detect and measure uric acid levels in the body.

Sample collection:

To measure uric acid, you may need to provide a small sample of your blood or other bodily fluids. Some smartwatches have built-in mechanisms for collecting these samples, while others may require the use of external accessories like test strips or cartridges.

Measurement and analysis:

The sensor in the smartwatch comes into contact with the collected sample, and it detects any chemical reactions that occur when it interacts with uric acid molecules present in the sample. These reactions generate an electrical signal that is then converted into numerical data using algorithms within the smartwatch.

Data display and tracking:

The measured uric acid level is displayed on the screen of the smartwatch in real-time or stored for later analysis on a connected smartphone app or cloud platform. This allows users to track their uric acid levels over time and observe any patterns or changesIt's important to note that while some smartwatches claim to accurately measure uric acid levels, medical-grade accuracy can only be achieved through laboratory tests conducted healthcare professionals using specialized equipment. Smartwatch-based measurements should be used as an indicative reference rather than definitive medical diagnostic tools.

BLOOD LIPID CHANGES MONITOR

Yuuma smartwatches equipped with blood lipid monitoring capabilities typically use a combination of optical sensors, electrical sensors, and sophisticated algorithms to estimate lipid levels in the blood.

Optical Sensors:

These sensors use light to measure various properties of the blood. By emitting light into the skin and measuring the light that is reflected back, the smartwatch can gather data on blood flow and composition. Different wavelengths of light can penetrate the skin to different depths and can be used to detect various biomarkers.

Electrical Sensors:

Some smartwatches also use bioimpedance sensors, which measure the resistance of body tissues to a small electrical current. This can provide additional data on blood composition and help in estimating lipid levels.

Data Analysis:

The raw data collected by the sensors is processed using advanced algorithms. These algorithms analyze patterns and changes in the data to estimate levels of different blood lipids, such as cholesterol and triglycerides.

ECG MEASURE (Detection of abnormal Cardiac signals)

Smartwatches equipped with ECG (electrocardiogram) capabilities monitor cardiac signals and detect abnormalities using the following key steps:

1. Electrical Sensors:

Electrodes: Smartwatches have built-in electrodes, typically located on the back of the watch and the bezel or crown. These electrodes detect electrical signals generated by the heart.

2. Data Collection:

- ECG Recording:

When the user initiates an ECG recording, they place their finger on the watch's electrode. This completes the circuit between the heart and the electrodes, allowing the watch to record the electrical activity of the heart.

- Duration:

The recording usually lasts around 30 seconds, capturing a single-lead ECG, which shows the heart's rhythm and electrical activity over that period.

3. Signal Processing:

- Waveform Analysis:

The smartwatch processes the captured electrical signals to produce an ECG waveform, displaying the different phases of the heart's electrical cycle (P-wave, QRS complex, and T-wave).

4.Abnormality Detection:

- Algorithm Analysis:

Advanced algorithms analyze the ECG waveform to detect irregularities such as atrial fibrillation (AFib), bradycardia (slow heart rate), and tachycardia (fast heart rate).

- Comparison with Norms:

The smartwatch compares the recorded data against established norms to identify potential abnormalities.

5. User Feedback:

- Results Display:

The smartwatch displays the results of the ECG analysis, indicating whether the heart rhythm is normal or if any irregularities are detected.

- Health Alerts:

If abnormalities are found, the smartwatch may prompt the user to seek medical advice and provide an option to share the ECG data with healthcare professionals.

By using these steps, smartwatches offer a convenient, non-invasive way to monitor heart health and detect potential cardiac issues in real-time.

METTER TEST

To know your Metabolic level in different states. Your metabolism is the process by which your body converts food and oxygen into energy. During a metabolic test, you typically undergo two different assessments: resting metabolic rate (RMR) and exercise metabolic rate (EMR).

1. Resting Metabolic Rate (RMR):

This measurement determines how energy your body requires at rest. It is usually conducted in a relaxed state when you are lying down or sitting comfortably. The test measures the amount of oxygen you consume and the amount of carbon dioxide you produce to calculate the number of calories burned while at rest. TheMR reflects approximately 60-75% of your total daily energy expenditure.

2. Exercise Metabolic Rate (EMR):

This measurement determines how many calories your body burns during physical activity or exercise. EMR tests are performed while engaging in various exercises on equipment like treadmills, stationary bikes, or elliptical machines. monitoring breathing patterns and gas exchange during exercise at different intensities, it estimates how efficiently your body utilizes oxygen to generate energy.

The main purpose of these tests is to assess an individual's unique metabolism and valuable information related to weight management, nutrition planning, fitness programs, and overall health optimization.

CALORIE TRACKING

Based on inputs such as age, weight, gender, heart rate data, and physical activity levels registered through sensors like accelerometers or gyroscopes, our Yuuma smartwatches can estimate calories burned during workouts.

BMI - Body Mass Index Analysis

Body Mass Index (BMI) analysis via smartwatches typically involves using sensors to gather data on the user's physical activity, heart rate, and other health metrics. Here's a concise explanation of how it works:

Data Collection:

1. Accelerometers:

Measure physical activity and motion to estimate calorie expenditure and activity levels.

2. Heart Rate Monitors:

Track heart rate, which helps in estimating energy expenditure and overall fitness level.

User Input: The user manually inputs key data such as height and weight into the smartwatch or its companion app.

BMI Calculation:

The Yuuma smartwatch uses the standard BMI formula:

3. Automated Updates:

If the smartwatch has a connected scale, it can automatically update the weight data.

4. Health Metrics Integration:

The Yuuma smartwatch integrates physical activity data and heart rate trends to provide more context about the user's fitness and overall health, supplementing the BMI data.

5. Feedback:

The Yuuma smartwatch displays the calculated BMI and may provide additional insights or recommendations based on the user's activity levels and health data. By combining user input with sensor data, smartwatches provide an easy way to calculate and monitor BMI as part of broader health and fitness tracking.

Remember that not all Yuuma smartwatches have all these sensors; it depends on the model. Always check the product details to see which sensors are included!

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