Product Overview
The Tuanzi GT100 is a 2-in-1 smartwatch featuring integrated True Wireless Stereo (TWS) earbuds. This device is designed for daily wear and fitness tracking, offering a range of functionalities from health monitoring to communication and music playback.

Image: The Tuanzi GT100 Smartwatch in Gray, showcasing its round display and integrated TWS earbuds on the strap.
What's in the Box
Verify that all items are present in the package:
- 1 x Tuanzi GT100 Smart Watch with Earbuds
- 1 x Charging Cable
- 2 x Replaceable Earphone Silicone Pads (pairs)
- 1 x User Manual
Setup Guide
1. Initial Charging
Before first use, fully charge the smartwatch and earbuds. Connect the provided charging cable to the watch and a USB power source. Ensure the earbuds are securely placed in their charging slots on the watch.
2. Power On
Press and hold the power button on the smartwatch until the screen illuminates.
3. App Installation and Pairing
Download and install the 'V BAND' application on your smartphone. Open the app and follow the on-screen instructions to pair your Tuanzi GT100 smartwatch via Bluetooth. This will enable data synchronization and access to all smart features.
4. Earbuds Pairing
Once the watch is paired with your phone, the earbuds will automatically pair with the watch. To use the earbuds with your phone, remove them from the watch and pair them directly via your phone's Bluetooth settings.
Operating Instructions
Display and Navigation
- Screen Activation: Raise your hand to automatically light up the 1.43-inch HD 466x466 AMOLED display.
- UI Styles: The watch supports 8 different UI styles for personalized interface customization.

Image: The smartwatch display showcasing different user interface styles available for selection.
Health Monitoring
The GT100 smartwatch provides comprehensive health tracking:
- Heart Rate (HR): Real-time heart rate monitoring.
- Blood Pressure (BP): Blood pressure measurement.
- Blood Oxygen (SpO2): Blood oxygen saturation monitoring.
- Sleep Tracking: Monitors sleep patterns and quality.

Image: The smartwatch screen displaying current heart rate, blood oxygen saturation (SpO2), and blood pressure readings.
Sports and Fitness Tracking
The watch supports over 100 sports modes to track various activities. It records exercise time, distance, steps, calorie consumption, and heart rate changes.

Image: A screen from the smartwatch showing detailed sports analysis, including time, calories, distance, and GPS tracking for walking.
Communication Features
- Bluetooth Calling: Utilize the watch for Bluetooth calls. The dual-mode dual-call function allows seamless switching between the watch and earbuds for calls.
- Call Management: Answer, reject, and dial numbers directly from the watch.

Image: The smartwatch display showing an incoming call with options to answer or reject, alongside the integrated earbuds.
Music Playback and Control
The GT100 has 128MB of internal memory, capable of storing 30-50 songs. You can control music playback directly from the watch.
- Earbud Playtime: The TWS earbuds offer approximately 5 hours of continuous playback on a single charge.
- Graphene Earbuds: The earbuds are constructed with graphene for enhanced sound quality.

Image: The smartwatch screen showing music player controls, with musical notes indicating audio playback.
NFC Access Control
The smartwatch supports NFC for access control unlocking. Simply lift your wrist close to an NFC-enabled access control system to open doors.

Image: The smartwatch being held near a door lock, illustrating the NFC access control unlocking feature.
Other Features
- Weather Synchronization: Receive synchronized weather updates.
- Recording Function: Utilize the built-in recording feature.
- Multi-language Support: The device supports multiple languages.
Specifications
| Model Number | GT100 |
| Display Size | 1.43 Inches (Round) |
| Display Resolution | 466x466 HD |
| Memory Storage | 128 MB |
| Battery Capacity | 400 Milliamp Hours (mAh) |
| Earbuds Playtime | Approx. 5 hours (single play) |
| Connectivity | Bluetooth, USB |
| Operating System | APP name: V BAND |
| Product Dimensions | 10.24 x 1.81 x 0.43 inches |
| Item Weight | 8.5 ounces (240 Grams) |
| GPS | No GPS |
| Durability | Waterproof, Sweat-proof, Dust-proof |

Image: The smartwatch shown with indicators for heat resistance (60°C), cold test (-20°C), damp heat test (70°C), and salt spray test (70°C), highlighting its robust design.
Maintenance
- Cleaning: Wipe the watch and earbuds with a soft, dry cloth. For stubborn dirt, use a slightly damp cloth and mild soap, then dry thoroughly.
- Water Exposure: While waterproof, avoid prolonged submersion or exposure to hot water, steam, or high-pressure water jets. Ensure earbuds are dry before placing them back into the watch.
- Charging Contacts: Keep the charging contacts on the watch and earbuds clean and dry to ensure efficient charging.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
Troubleshooting
- Device Not Powering On: Ensure the device is fully charged. If it still doesn't power on, try a different charging cable or adapter.
- Pairing Issues: Ensure Bluetooth is enabled on your smartphone and the watch. Restart both devices and try pairing again through the 'V BAND' app.
- Inaccurate Health Readings: Ensure the watch is worn snugly on your wrist, not too tight or too loose. Clean the sensor on the back of the watch.
- Earbuds Not Charging/Connecting: Ensure the earbuds are correctly seated in their charging slots. Clean the charging contacts on both the earbuds and the watch.
- Short Battery Life: Reduce screen brightness, disable unnecessary notifications, and limit continuous health monitoring if not required.
Official Product Video
Video: An official product video showcasing the Tuanzi GT100 2-in-1 Smartwatch with Earbuds, demonstrating its features and design.
Warranty and Support
For warranty information and customer support, please refer to the documentation included with your product or visit the official Tuanzi website. Keep your purchase receipt as proof of purchase.





