1. Product Overview
The Tuanzi GT98 Smart Watch is a versatile 2-in-1 device combining a smartwatch with integrated Bluetooth 5.3 earbuds. It features a 1.53-inch HD touchscreen, over 100 sports modes, 24/7 health monitoring, a music player, and voice assistant capabilities. Designed for durability, it is IP67 waterproof, dustproof, and shockproof.

Image 1: The Tuanzi GT98 Smart Watch, showcasing its integrated earbuds and vibrant display.
2. Setup
2.1 What's in the Box
- 1*GT98 Smartwatch with earbuds
- 1*charging cable
- 1*user manual
2.2 Charging the Device
Before first use, fully charge your GT98 Smart Watch. Connect the provided charging cable to the magnetic charging points on the back of the watch and a USB power source. The watch display will indicate charging status.

Image 2: Close-up of the smartwatch's rear, showing the magnetic charging pins and health sensors.
2.3 App Installation and Pairing
- Download the DaFit app from your smartphone's app store (compatible with iOS 9.0+ and Android 7.0+).
- Ensure Bluetooth is enabled on your smartphone.
- Open the DaFit app and follow the on-screen instructions to search for and connect to your GT98 Smart Watch.
- For earbud functionality, search for and connect to "T92 Audio" (or similar, referring to the earbuds' Bluetooth name) via your phone's Bluetooth settings after successful watch pairing.
Video 1: This video demonstrates the operation and pairing process of the Tuanzi GT98 Smart Watch with its earbuds, including app connection and basic functions.
3. Operating Instructions
3.1 Basic Navigation
- Touchscreen: Swipe left/right/up/down to navigate menus and access features.
- Side Buttons: Use the physical buttons for quick access to specific functions (e.g., power on/off, music, sport modes).
- Earbud Controls: Triple-tap on either earbud for music control (next/previous track) or call management (answer/end calls).

Image 3: Detail of the smartwatch's side, highlighting the shortcut button for quick UI navigation.
3.2 Health Monitoring
The GT98 Smart Watch provides comprehensive health tracking:
- Heart Rate: Continuous monitoring of heart rate.
- SpO2: Blood oxygen saturation tracking.
- Sleep Stages: Monitors sleep patterns and quality.
- Activity Tracker: Records steps, distance, and calories burned.
- Body Temperature: Measures skin temperature.

Image 4: Display of the smartwatch showing heart rate, sleep, and SpO2 monitoring data.
3.3 Sports Modes
Access over 100 sports modes directly from the watch. Select your activity to track performance metrics such as duration, distance, calories, and heart rate.

Image 5: The smartwatch interface displaying various sports tracking options like running, cycling, and more.
3.4 Communication Features
- Dual-Call Freedom: Answer or reject calls directly from the watch or earbuds. Sync contacts for easy access.
- Voice Assistant: Activate your smartphone's AI voice assistant directly from the watch.
- Message Notifications: Receive alerts for incoming calls, SMS, and app notifications (WeChat, QQ, Facebook, Twitter, WhatsApp, LinkedIn, Kakao Talk, Viber, Instagram, Skype, Line, etc.).

Image 6: The smartwatch displaying an incoming call, demonstrating its call management capabilities.
3.5 Music Playback
The GT98 supports both local music playback and controlling music on your smartphone.
- Local Music: Store and play music directly from the watch's internal memory (128 MB). The watch features a built-in speaker.
- Mobile Phone Music: Connect to your smartphone via Bluetooth to control music playback (play, pause, skip tracks) through the watch or earbuds.
- Earbuds: The hidden TWS earbuds provide immersive sound with graphene drivers.
Video 2: This video illustrates the music playback features of the Tuanzi GT98 Smart Watch, including local music and controlling phone music via the watch and earbuds.
3.6 Other Features
- Customizable Watch Faces: Choose from a variety of watch faces via the app.
- Mini-Games: Enjoy built-in casual games.
- Weather Forecast: Get real-time weather updates.
- Timer & Countdown: Utilize integrated timing functions.
- Alarm Clock: Set multiple alarms.
- Remote Camera: Control your phone's camera remotely.
- Find Phone: Locate your paired smartphone.
4. Maintenance
4.1 General Care
Regularly clean your smartwatch and earbuds with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials. Ensure the charging contacts are clean and dry before charging.
4.2 Water Resistance
The GT98 Smart Watch is IP67 rated, meaning it is waterproof, dustproof, and shockproof. It can withstand splashes, rain, and short periods of immersion (up to 3.3 feet). However, it is not recommended for swimming or diving. Ensure earbuds are securely stored in the watch when exposed to water.

Image 7: Illustration of the smartwatch's IP67 waterproof capabilities, showing it being exposed to water.
4.3 Battery Life and Charging
The 400mAh battery provides up to 15 days of daily use and 50 days of standby time. To maximize battery life, avoid extreme temperatures and ensure regular charging. The earbuds also charge when stored in the watch.

Image 8: Visual representation of the smartwatch's 400mAh battery capacity and estimated usage times.
5. Troubleshooting
- Device not turning on: Ensure the device is fully charged.
- Cannot pair with smartphone: Check if Bluetooth is enabled on both devices. Ensure the DaFit app is installed and running. Try restarting both the watch and smartphone.
- Earbuds not connecting: Ensure the earbuds are properly seated in the watch for charging and that they are discoverable via Bluetooth. Check your phone's Bluetooth settings for "T92 Audio" (or similar).
- Inaccurate health data: Ensure the watch is worn snugly on your wrist and the sensors are clean. Avoid excessive movement during measurements.
- Notifications not received: Check app permissions in your smartphone settings and within the DaFit app to ensure notifications are enabled for desired applications.
6. Specifications
| Feature | Detail |
|---|---|
| Operating System | IOS 9.0 and above, Android 7.0 and above; APP DaFit |
| Memory Storage Capacity | 128 MB |
| Special Feature | Activity Tracker |
| Battery Capacity | 400 Milliamp Hours |
| Connectivity Technology | Bluetooth |
| Wireless Communication Standard | Bluetooth 5.3 |
| GPS | GPS Via Smartphone |
| Screen Size | 1.53 Inches |
| Band Material Type | Silicone |
| Case Material Type | Plastic |
| Water Resistance Level | Waterproof (IP67) |
| Sport Type | 100+ Modes |
| Human Interface Input | Touchscreen |
| Supported Application | Fitness Tracking, Games, Music, Voice Assistant, Weather |
| Metrics Measured | Heart Rate Monitor, SpO2 Monitor |
| Display Type | TFT |
| Item Weight | 2.5 Ounces |
| Item Dimensions (D x W x H) | 0.55"D x 1.91"W x 2.17"H |
7. Warranty and Support
The Tuanzi GT98 Smart Watch comes with a 30-day limited warranty. For support, please refer to the contact information provided in your product packaging or visit the official Tuanzi store on Amazon: Tuanzi Store.