1. Introduction
The Amazfit GTS 3 is a powerful and user-friendly smartwatch designed to combine advanced health and fitness features with a sleek, lightweight design. It features a 1.75-inch Ultra HD AMOLED display, Alexa built-in, GPS, and a long-lasting battery. This manual provides essential information for setting up, operating, and maintaining your device.

Figure 1: Amazfit GTS 3 Smart Watch, Terra Rosa variant.
2. What's in the Box
Upon unboxing your Amazfit GTS 3, you should find the following items:
- Amazfit GTS 3 Smart Watch
- Charging Base
- Instruction Manual (this document)
3. Setup
3.1 Initial Charging
Before first use, fully charge your Amazfit GTS 3. Connect the charging base to a USB power source and place the watch onto the magnetic charging pins. Charging typically takes approximately 2 hours.
3.2 Pairing with Your Phone
- Download the Zepp app from your smartphone's app store (compatible with Android 7.0+ and iOS 12.0+).
- Open the Zepp app and create an account or log in.
- Follow the on-screen instructions in the app to pair your Amazfit GTS 3. This usually involves scanning a QR code displayed on the watch screen.
3.3 Basic Navigation
The Amazfit GTS 3 features a responsive touchscreen and a rotatable crown for navigation:
- Touchscreen: Swipe up, down, left, or right to access different widgets, notifications, and quick settings. Tap to select.
- Rotatable Crown: Rotate to scroll through menus and lists. Press to return to the watch face or confirm selections.
- Side Button: Typically used for quick access to a pre-set function or the app list.

Figure 2: Front view of the Amazfit GTS 3, showing the display and rotatable crown.
Video 1: Official product overview of the Amazfit GTS 3 Smart Watch, highlighting its design and key features.
4. Operating Your Smart Watch
4.1 Display Features
The Amazfit GTS 3 features a vibrant 1.75-inch Ultra HD AMOLED display with 341 PPI, ensuring clear visibility even in bright sunlight. It supports an Always-On Display function, which can be scheduled to conserve battery.
4.2 Voice Assistant
The watch includes Alexa Built-In for voice commands such as setting alarms, asking questions, or getting translations. An Offline Voice Assistant is also available for basic operations like engaging a sports mode or opening a health metric feature without internet access.

Figure 3: Amazfit GTS 3 display demonstrating Alexa voice commands.
4.3 Sports Modes & GPS
The GTS 3 offers over 150 built-in sports modes to track various activities. It automatically recognizes 8 common sports. The watch is equipped with GPS, GLONASS, Galileo, BDS, and QZSS satellite navigation systems for accurate route tracking during outdoor activities. It also has a built-in barometric altimeter for altitude and air pressure monitoring.

Figure 4: Amazfit GTS 3 displaying outdoor running data, including a GPS-tracked route.
4.4 Health Monitoring
The advanced 6PD BioTracker™ PPG 3.0 biometric sensor allows for comprehensive health monitoring:
- One-tap Measurement: Quickly check your heart rate, blood-oxygen saturation (SpO2), stress level, and breathing rate in as little as 45 seconds.
- Heart Rate Monitoring: Continuous tracking of your heart rate.
- Blood-Oxygen Saturation (SpO2): Monitor your blood oxygen levels.
- Stress Level Monitoring: Track your stress levels throughout the day.
- Sleep Tracking: In-depth monitoring of sleep stages and sleep breathing quality.
- Female Cycle Tracking: Provides insights and predictions for menstrual cycles.

Figure 5: Amazfit GTS 3 displaying the 'Four Health Metrics in One Tap' feature.
4.5 Zepp OS & Mini Apps
The Amazfit GTS 3 runs on the intuitive Zepp OS, offering a seamless user experience with animations reaching 60 FPS. The mini app framework provides access to over 10 mini apps and third-party applications like Home Connect.
5. Maintenance
5.1 Water Resistance
The Amazfit GTS 3 has a water-resistance grade of 5 ATM, meaning it can withstand pressures equivalent to a depth of 50 meters. This makes it suitable for swimming and showering, but it is not recommended for high-speed water sports or diving.

Figure 6: Amazfit GTS 3 being used during a pool swimming activity.
5.2 Cleaning
Regularly clean your watch and strap to prevent skin irritation and maintain device functionality. Use a soft, damp cloth to wipe the watch body and strap. Avoid harsh chemicals or abrasive materials.
5.3 Charging
Charge the watch using the provided magnetic charging base. Ensure the charging pins are clean and dry before connecting. Avoid exposing the charging base to water.
5.4 Battery Life
The Amazfit GTS 3 offers impressive battery life:
- Typical Usage: Up to 12 days
- Battery Saver Mode: Up to 20 days
6. Troubleshooting
If you encounter issues with your Amazfit GTS 3, consider the following:
- Connectivity Issues: Ensure Bluetooth is enabled on your phone and the watch is within range. Restart both devices and try pairing again.
- App Sync Problems: Check your internet connection and ensure the Zepp app is updated to the latest version.
- Inaccurate Readings: Ensure the watch is worn snugly on your wrist, not too tight or too loose. Clean the sensor area on the back of the watch.
- Watch Not Responding: Try restarting the watch by pressing and holding the crown button. If unresponsive, allow the battery to fully drain and then recharge.
For persistent issues, refer to the official Amazfit support resources or contact customer service.
7. Specifications
| Feature | Specification |
|---|---|
| Product Dimensions | 1.67 x 1.42 x 0.42 inches |
| Item Weight | 1.38 ounces (39 grams) |
| Display | 1.75 Inches Ultra HD AMOLED (390 x 450 pixels) |
| Operating System | Zepp OS |
| Connectivity | Bluetooth, GPS (GPS, GLONASS, Galileo, BDS, QZSS) |
| Water Resistance | 5 ATM |
| Battery Life (Typical) | Up to 12 days |
| Battery Life (Saver Mode) | Up to 20 days |
| Special Features | Activity Tracker, Always On Display, Heart Rate Monitor, Oxymeter (SpO2), Alexa Built-In |
| Human Interface Input | Touchscreen |
8. Warranty and Support
For warranty information and technical support, please refer to the official Amazfit website or contact their customer service directly. Keep your purchase receipt as proof of purchase.
Video 2: A user's perspective on the Amazfit GTS 3 Smart Watch, showcasing its features and daily use.





