WeLoop Hey 3S - Smartwatch Xiaomi - Free user manual and instructions

Product Type	Smartwatch
Brand	Xiaomi (WeLoop)
Model	Hey 3S
Display Type	AMOLED
Display Size	1.28 inches
Dimensions (without strap)	45 x 37 x 10.3 mm
Weight (without strap)	35 g
Strap Material	Silicone
Water Resistance	5 ATM (50 meters)
Battery Capacity	200 mAh
Battery Life (typical use)	7 days
Charging Method	Magnetic charging cradle
Connectivity	Bluetooth 5.0
GPS	Built-in GPS
Heart Rate Monitor	Optical
Other Sensors	Accelerometer, Gyroscope, Barometer
Notifications	Call, SMS, App alerts
Compatible OS	Android 5.0+ / iOS 10.0+
Main Functions	Step counting, Sleep tracking, Heart rate, Sports modes, GPS tracking
Maintenance & Cleaning	Wipe with soft cloth, avoid harsh chemicals
Safety	Keep away from extreme heat, do not disassemble
Spare Parts & Repairability	Replacement straps available; battery not user-replaceable

Frequently Asked Questions - WeLoop Hey 3S Xiaomi

How do I pair the WeLoop Hey 3S with my phone?

Download the WeLoop App (or Xiaomi Wear) from the App Store or Google Play. Turn on Bluetooth on your phone. Open the app, select 'Add device', and choose 'WeLoop Hey 3S'. Confirm pairing when prompted.

What is the battery life of the Hey 3S?

Under typical use (notifications, heart rate monitoring, occasional GPS), the battery lasts up to 7 days. With heavy GPS use, it may last 3-4 days.

Is the Hey 3S waterproof?

Yes, it has a water resistance rating of 5 ATM, which means it is suitable for swimming in shallow water and showering. Not recommended for diving or high-speed water sports.

Can I reply to messages from the watch?

You can view incoming messages and notifications, but replying is not supported on the Hey 3S. You can only dismiss or read them.

How do I reset the watch to factory settings?

Open the WeLoop app on your phone, go to device settings, and select 'Unpair' or 'Reset'. Alternatively, on the watch, go to Settings > System > Reset (if available). Confirm the action.

Does the Hey 3S have GPS?

Yes, it has built-in GPS for tracking outdoor activities like running and cycling without needing your phone.

How do I change the watch face?

Long press on the watch face to enter selection mode, then swipe to choose a pre-installed face. For more options, use the WeLoop app and sync custom watch faces.

What sports modes are available?

The watch supports multiple modes including Running, Walking, Cycling, Swimming, Rowing, Jump Rope, and more. You can track duration, distance, heart rate, and calories.

Does the watch track sleep automatically?

Yes, it automatically detects sleep and records deep sleep, light sleep, and awake time. Data is visible in the app.

The watch is not charging. What should I do?

Ensure the charging contacts are clean and dry. Align the magnetic charger properly. Try a different USB power source. If still not charging, contact support.

USER MANUAL WeLoop Hey 3S Xiaomi

1. Installing the strap, charging and turning on the device.

Technical line drawing of a mechanical device with no visible text or symbols

A tight strap is installed at the top, a long strap is installed from the bottom.

To install or remove the strap, press and move it to the right side of the movable eyelet.

Line drawing of a smartwatch with a strap and cable connector (no text or symbols)

The device is activated by charging, or by pressing the button on the right side of the clock.

Use the appropriate charger with a charging voltage of 5V, it takes about 3 hours to fully charge the device. It is not recommended to use universal batteries to charge the device.

1. Description of the buttons
   

* Press any button or turn the wrist to unlock the clock, after the lock icon disappears, the clock is unlocked, you can control the clock using the touch screen.
* When the main screen is displayed, press the «Confirm» button to go to the menu.
* Press the «Confirm» button for 10 seconds to reset the clock.

3. GPS

Smart-watch Hey 3S has a built-in high-precision GPS-module, before using outdoors in the «Sport» mode, synchronize data with the application on the smartphone, this will improve the accuracy of GPS and increase the speed of locating. When searching for a location for better reception of the GPS signal, it is necessary to be outdoors in the open air, in places with the least number of obstacles.

1. Pulse
   

Line drawing of a hand wearing a smartwatch, with no text or symbols present

The Hey 3S smart watch has a pulse measurement module for monitoring the pulse at rest and during exercise. For the best result of measuring the pulse at rest, the degree of belt tension should be such that one finger can be inserted, for a correct measurement of the pulse, the watch should be above the wrist level at a distance equal to the width of the finger. For a more accurate measurement of the pulse during movement, it is necessary to tighten the strap so that the bracelet does not move, do a warm-up before performing physical exercises.

* The pulse measurement function is only used to monitor daily activity, but should not be used for medical purposes.

Rules of warranty service

Warranty return within 7 days	If you have questions about the quality of the device that affects its operation within 7 days from the date of purchase (receipt), you can return the device
Guaranteed exchange within 15 days	If you have questions about the quality of the device that affects its operation within 15 days from the date of purchase (receipt), you can exchange the device
Warranty repair for 1 year	If you have questions about the quality of the device that affects its operation within 12 months from the date of purchase (receipt), you can use the services of warranty repair
Full time service maintenance	WeLoop's entire product line is serviced on an ongoing basis, for maintenance of devices with expired warranty period and with damages due to human factors, the corresponding fee for work and materials will be written off

1. Touch Control
   

Slide your finger up or down to switch to the status of the destination, weather, reminders, or QR code.

Swipe left or right to scroll through the menus.

Diagram of a smartwatch with a circular button and waveform, no text or symbols present

Click on the icon to go to the corresponding submenu.

Displaying Messages

Heart rate measurements

Run

Bicycle riding

Stopwatch

Timer

Music Management

Change the dial

Phone search

Settings

6. Scan the QR code to download the application

Scan QR Code]

After scanning the QR code, select «Open with a browser» to go to the download page.

7. Connecting the device

After downloading the application, and registering the account, search and connect the device.

One Smart Hey 3S clock connects only to one smartphone, after the connection is completed, you can receive notifications about incoming calls, synchronize data to display them in applications, and so on. On smartphones based on Android, you need to provide the appropriate permission in the notification center, for specific configuration steps, see the «Device» page in the application, click on «Problem Solving» to find the method of configuration according to your smartphone model. Without connecting to a smartphone, the Hey 3S smart watch also stores data about the status of your activity and the pulse at rest.

8. Daily Care

If, after exercise, your wrists are sweating, gently wipe your wrists and watch, then put on the watch again. Using soap or liquid for washing hands periodically clean the surface of the watch. The place where the watch contacts the skin should be dry, in case of allergic reactions or other skin irritations, remove the watch.

Warranty service

If there are claims to the quality of components that did not arise due to human factors, a guarantee exchange (for a similar device model) is carried out within 15 days from the date of purchase (receipt), the warranty period is 1 year. To obtain warranty repair, you do not need to provide a sales receipt, only the device code is needed, warranty services for the WeLoop product line are now provided only in mainland China. Scan the QR code in order to subscribe to the public account of WeLoop, for solution of warranty and operational issues you can refer to online support.

Warranty service is not provided in the following cases:

1. The warranty period is exhausted;
2. Damage due to carelessness, mistakes or abuse (use at high temperature, high pressure and other harsh conditions, malfunctioning and external damage resulting from compression, impact or fall)
3. Self-disassembly, repair or re-equipment; Self-disassembly and assembly of the device, repair of the device or re-equipment of the device;
4. Use of non-original parts or components;
5. Use that contradicts the requirements of the user's manual;
6. The warranty does not cover the natural wear of the exterior (except for individual cases reported separately), but this does not affect the provision of warranty service;
7. Lack of receipt, impossibility to confirm that the device is within the warranty period;
8. Other damage caused by force majeure (fire, earthquake, lightning strike, etc.)
9. At the moment, warranty service is provided only in the territory of mainland China (Note: for more information on warranty service, see the official WeLoop website in the «Warranty service» section)