Introduction
This manual provides essential instructions for setting up, operating, and maintaining your Tuanzi GT100 Smartwatch with integrated TWS Earbuds. Please read this guide thoroughly before using the device to ensure proper functionality and longevity.

Image: The Tuanzi GT100 Smartwatch with its integrated TWS earbuds, displaying the time, date, steps, and heart rate on its round screen.
What's in the Box
Verify that all items are present in the package:
- 1 x Tuanzi GT100 Smart Watch with Integrated TWS Earbuds
- 1 x Charging Cable
- 2 x Replaceable Earphone Silicone Pads
- 1 x User Manual (this document)
Setup
1. Charging the Device
Before initial use, fully charge your Tuanzi GT100 Smartwatch. Connect the provided charging cable to the charging port on the back of the watch and to a standard USB power adapter (not included). The watch features a 400mAh Lithium Polymer battery. A full charge can provide up to 15 days of daily use or 30 days of standby time.

Image: Illustration highlighting the 400mAh battery capacity of the Tuanzi GT100 Smartwatch, indicating long-lasting performance.
2. App Installation and Pairing
- Download the App: Search for and download the V BAND application from your smartphone's app store (available for both Android and iOS).
- Enable Bluetooth: Ensure Bluetooth is enabled on your smartphone.
- Pairing: Open the V BAND app and follow the on-screen instructions to pair your Tuanzi GT100 Smartwatch. The watch uses a single-core dual-mode Bluetooth connection for simplified pairing.
3. Earbud Setup
The TWS earbuds are integrated into the smartwatch. They will automatically pair with the watch once removed from their housing. For initial use with a smartphone, ensure the watch is paired, then remove the earbuds and connect them via your phone's Bluetooth settings if desired for direct phone audio.
Operating Instructions
1. Basic Navigation
The Tuanzi GT100 features a 1.43-inch HD 466*466 resolution AMOLED full-screen display. Navigate through menus and functions by swiping left, right, up, or down on the touchscreen. Press the side button to return to the home screen or activate specific functions.

Image: A collage showing the Tuanzi GT100 Smartwatch's 1.43 AMOLED screen, 100+ sports modes, Bluetooth calling, all-day health monitoring, music control, and acoustic analysis features.
2. Bluetooth Call Functionality
With the new nano chip technology, the watch supports single-core dual-mode dual call. Once connected to your smartphone via Bluetooth, you can answer, reject, or make calls directly from the watch. The integrated earbuds can be used for private conversations, or the watch's speaker and microphone can be utilized.

Image: The Tuanzi GT100 Smartwatch displaying a dial pad and an incoming call screen, illustrating its Bluetooth dual talk capability with integrated earbuds.
3. Music Playback and Control
The GT100 Smartwatch includes 128MB of internal memory, allowing you to store approximately 30-50 songs for local playback. You can also control music playing on your connected smartphone directly from the watch interface. The earbuds provide high-resolution lossless sound quality with a 10mm Graphene diaphragm.

Image: The Tuanzi GT100 Smartwatch displaying a music player interface, demonstrating its music control capabilities and integrated earbuds.
4. TWS Earbuds Operation
The earbuds are designed for simple touch operation. They use stable, high-quality chips for reliable performance.
- Double Click (Left or Right Ear): Answer/hang up calls, play/pause music.
- Three Clicks (Left Ear): Previous track.
- Three Clicks (Right Ear): Next track.
- Boot Default: Automatic pairing mode.

Image: A close-up of one of the TWS earbuds, illustrating the touch control functions for answering calls, playing music, and track navigation.
5. Health Monitoring
The smartwatch features an innovative algorithm chip for real-time health monitoring. It can track:
- Heart Rate (HR)
- Blood Pressure (BP)
- Blood Oxygen (SpO2)
- Sleep Patterns
View detailed health data within the V BAND app.

Image: The Tuanzi GT100 Smartwatch displaying heart rate, SpO2, and blood pressure readings, demonstrating its health monitoring capabilities.
6. Sports and Fitness Tracking
The GT100 supports over 100 sports modes. It can track exercise time, distance, steps, calorie consumption, and heart rate changes during activities. Access detailed sports analysis and pedometer data through the V BAND app.

Image: The Tuanzi GT100 Smartwatch displaying various sports tracking metrics such as time, calories, distance, steps, and GPS walking data.
7. NFC Access Control Unlocking
The smartwatch supports NFC access control unlocking. When you are near a compatible NFC access control system, simply lift your wrist with the watch close to the reader to quickly unlock the door.

Image: The Tuanzi GT100 Smartwatch positioned near a door lock, demonstrating its NFC access control unlocking feature.
8. Other Functions
The Tuanzi GT100 also includes:
- Camera Remote Control
- Time Synchronization
- Alarm Clock
- Siri Voice Assistant Integration
- Synchronized Weather Display
- Multiple UI Styles and Customizable Watch Faces

Image: A display of various dynamic watch faces and eight different menu styles available on the Tuanzi GT100 Smartwatch, highlighting customization options.
Maintenance
1. Cleaning
Regularly clean your smartwatch and earbuds with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials. For the watch strap, a damp cloth can be used, ensuring it is dried thoroughly afterward.
2. Water Resistance
The Tuanzi GT100 Smartwatch is IP67 rated, making it waterproof, sweat-proof, and dust-proof. This means it can withstand splashes, rain, and brief immersion in water. However, it is not recommended for swimming, diving, or exposure to high-pressure water. Ensure the charging port is dry before charging.

Image: The Tuanzi GT100 Smartwatch undergoing various durability tests, including heat resistance, cold, damp heat, and salt spray tests, highlighting its robust construction.
3. Battery Care
To prolong battery life, avoid fully discharging the battery frequently. Charge the device when the battery level is low. Store the device in a cool, dry place when not in use for extended periods.
Troubleshooting
- Device Not Turning On: Ensure the device is fully charged. Connect it to the charger for at least 30 minutes.
- Cannot Pair with Smartphone: Make sure Bluetooth is enabled on your phone and the V BAND app is open. Restart both the watch and your phone, then attempt pairing again.
- Earbuds Not Connecting: Ensure the earbuds are properly seated in the watch for charging. Remove them and try re-pairing via your phone's Bluetooth settings if connecting directly to the phone.
- Difficulty Removing Earbuds: Some users may find the earbuds difficult to remove without fingernails. Use a soft, non-metallic tool if necessary to gently pry them out.
- Inaccurate Health Readings: Ensure the watch is worn snugly on your wrist, with the sensors making good contact with your skin. Avoid excessive movement during readings.
- App Issues: If the V BAND app is not functioning correctly, try restarting the app or reinstalling it. Ensure your phone's operating system is up to date.
Specifications
| Feature | Specification |
|---|---|
| Model Number | GT100 |
| Product Dimensions | 10.24 x 1.81 x 0.43 inches |
| Item Weight | 8.5 ounces (240 Grams) |
| Screen Size | 1.43 Inches |
| Screen Type | AMOLED, HD 466*466 Resolution |
| Memory Storage Capacity | 128 MB (for music playback) |
| Battery Capacity | 400 Milliamp Hours (Lithium Polymer) |
| Connectivity Technology | Bluetooth, USB |
| Wireless Communication Standard | Bluetooth |
| Operating System | APP name: V BAND |
| Water Resistance | IP67 |
| Special Features | Integrated TWS Earbuds, Music Player, Health Monitor (HR, BP, SpO2, Sleep), Sports Modes, NFC Access Control, Bluetooth Call, Camera Remote, Siri |
| GPS | No GPS |
| Shape | Round |
Warranty Information
Specific warranty details for the Tuanzi GT100 Smartwatch are not provided in the product information. Please refer to your purchase documentation or contact the seller directly for warranty terms and conditions.
Support
For further assistance or technical support, please refer to the V BAND application's help section or contact the Tuanzi customer service through the platform where the product was purchased.





