1. Introduction
The Tuanzi JM03 is an innovative 2-in-1 device combining a smart watch with integrated True Wireless Stereo (TWS) earbuds. This device offers a seamless experience for daily activity tracking, communication, and entertainment. It features a 1.28-inch round touch screen, Bluetooth 5.0 connectivity, and comprehensive health monitoring capabilities.

Image 1.1: Tuanzi JM03 2-in-1 Smart Watch with Earbuds. The image displays the black smartwatch with its integrated earbuds, highlighting its sleek design and dual functionality.
2. Package Contents
Please ensure all items are present in your package:
- JM03 Smart Watch (with straps & TWS earphones) x 1
- USB Magnetic Charging Cable x 1
- User Manual x 1
3. Getting Started
3.1 App Installation
To unlock the full potential of your Tuanzi JM03 Smart Watch, download and install the BrandFit application on your smartphone. The app is compatible with Android 6.0 and above, and iOS 8.0 and above.
- Scan the QR code provided in the watch manual or search for 'BrandFit' in your smartphone's app store.
- Download and install the app.
- Follow the on-screen instructions to create an account and set up your profile.
3.2 Watch Pairing
Ensure your smartphone's Bluetooth is enabled before proceeding.
- Open the BrandFit app on your smartphone.
- Navigate to the 'Device' or 'Add Device' section within the app.
- The app will search for available devices. Select 'JM03' from the list to connect.
- Confirm the pairing request on both your watch and smartphone.
3.3 Earbuds Pairing
The earbuds are designed for seamless integration with your smartphone via Bluetooth.
- Remove the earbuds from their charging compartment within the watch. They will automatically enter pairing mode.
- On your smartphone, go to Bluetooth settings and search for new devices.
- Select the earbuds (usually named 'JM03 Earbuds' or similar) from the list to connect.
- Once connected, you can use the earbuds for audio playback and calls.
Video 3.1: Connecting the watch and earbuds via Bluetooth. This video demonstrates the process of connecting both the smartwatch and its integrated earbuds to a smartphone via Bluetooth, showing the steps for successful pairing.
4. Operating Instructions
4.1 Watch Features
- Display & Interface: The 1.28-inch round touch color screen offers a high-sensitivity touch experience. Swipe through various watch faces and menus.
- Health Monitoring: The watch provides 24-hour continuous heart rate monitoring, blood pressure measurement, blood oxygen monitoring, and sleep tracking. It also includes a sedentary reminder.
- Activity Tracking: Track your daily steps (pedometer), calories burned, and mileage. Multiple sport modes are available for various exercises.
- Communication: Receive call reminders, reject calls directly from the watch, and get message pushes and app notifications (e.g., WeChat).
- Convenience Features: Utilize the alarm clock, stopwatch, multi-language support, 'find phone' function, and remote camera control (shake to take a photo).

Image 4.1: Overview of Tuanzi JM03 Smart Watch functions. This image illustrates the various features of the smartwatch, including earphone headphones, blood pressure monitoring, 24h heart rate monitoring, blood oxygen monitoring, exercise data, sleep monitoring, find phone, alarm clock, stopwatch, message notification, call rejection, and music control.

Image 4.2: Multiple watch faces for the Tuanzi JM03. The image displays several customizable watch face designs available through the companion app, allowing users to personalize their smartwatch display.
4.2 Earbuds Features
- Audio Quality: Enjoy TWS HiFi Stereo wireless sound quality.
- Controls: The earbuds feature touch controls for answering/rejecting calls, playing/pausing music, and adjusting volume.
- Battery Life: The earbuds can play continuously for approximately 2.5 hours on a single charge.
Video 4.3: GT98 Connected Earbuds demonstration. This video showcases the functionality and usage of the integrated earbuds, including how they are stored and accessed from the smartwatch.
5. Charging
5.1 Watch Charging
The watch is equipped with a 350 mAh lithium polymer battery. Use the provided USB magnetic charging cable.
- Connect the magnetic end of the charging cable to the charging points on the back of the watch.
- Connect the USB end to a compatible USB power adapter (not included) or a computer USB port.
- The watch display will indicate charging status. A full charge typically provides 5-15 days of use or over 30 days of standby (without earphones).
5.2 Earbuds Charging
The earbuds charge automatically when placed back into their designated compartments within the watch.
- Ensure the watch itself is charged or connected to its charger.
- Carefully place the earbuds into their respective slots in the watch. They are magnetically attracted to prevent loss and ensure proper charging contact.
- Before placing earbuds back, ensure they are dry to prevent damage from sweat or moisture.

Image 5.1: Earbuds charging within the Tuanzi JM03 Smart Watch. This image shows the earbuds securely stored and charging inside the smartwatch, illustrating the magnetic design for convenience and quick charging.
6. Maintenance
- Watch: The watch is life waterproof, meaning it can withstand splashes and brief immersion. However, it is not suitable for swimming or showering.
- Earbuds: The earbuds are NOT waterproof. Always wipe off any sweat or moisture before placing them back into the watch to prevent damage.
- Cleaning: Use a soft, dry cloth to clean the watch screen and strap regularly. Avoid using harsh chemicals.
- Storage: Store the device in a cool, dry place when not in use.
7. Troubleshooting
- Device not turning on: Ensure the watch is fully charged. Connect it to the magnetic charging cable and a power source.
- Cannot pair with smartphone: Make sure Bluetooth is enabled on your phone and the watch is within range. Restart both devices and try pairing again through the BrandFit app.
- Earbuds not connecting: Ensure the earbuds are removed from the watch and are in pairing mode. Check your phone's Bluetooth settings.
- Inaccurate health data: Ensure the watch is worn snugly on your wrist. Avoid excessive movement during measurements. Note that this device is not a medical device and data is for reference only.
- Notifications not appearing: Check the BrandFit app settings to ensure notifications are enabled for the desired applications. Also, verify your phone's system notification settings.
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | JM03 |
| Screen Size | 1.28 Inches (Round Touch Color Screen) |
| Watch Battery Capacity | 350 Milliamp Hours (Lithium Polymer) |
| Earbuds Playtime | Approx. 2.5 hours (continuous) |
| Connectivity | Bluetooth 5.0 |
| Operating System Compatibility | Android 6.0 and above, iOS 8.0 and above |
| App Name | BrandFit |
| Water Resistance (Watch) | Life Waterproof |
| Water Resistance (Earbuds) | Not Waterproof |
| Product Dimensions | 2.25 x 1.95 x 0.64 inches |
| Item Weight | 141 Grams (approx. 5 ounces) |
9. Warranty and Support
For warranty information and customer support, please refer to the documentation provided with your purchase or contact the seller directly through the platform where the product was acquired. Keep your proof of purchase for any warranty claims.