1. Introduction
This manual provides comprehensive instructions for the setup, operation, and maintenance of your GOBOULT Mustang Racer Smart Watch. Please read this manual thoroughly before using the device to ensure proper functionality and to maximize your user experience. Keep this manual for future reference.
2. What's in the Box
Verify that all items are present in the package:
- GOBOULT Mustang Racer Smart Watch
- Charging Cable
- User Manual (this document)
- Warranty Card
3. Product Overview
Familiarize yourself with the key components of your GOBOULT Mustang Racer Smart Watch.

Image: The GOBOULT Mustang Racer Smart Watch, showcasing its 1.43-inch AMOLED display and overall design.
Display and Bezel
The watch features a 1.43-inch AMOLED display with 500 Nits brightness for clear visibility. The functional rotating bezel allows for intuitive navigation through menus and features.

Image: A detailed view of the smartwatch's 1.43-inch AMOLED display and the rotating bezel, highlighting its design and brightness.
Buttons and Crown
The watch includes a rotating tyre-tread crown for navigation and selection, along with a functional paddle shifter button for quick access to features.

Image: The smartwatch featuring its functional paddle shifter and rotating crown, designed for enhanced control.
4. Setup
4.1. Charging the Smart Watch
Before initial use, fully charge your smartwatch. Connect the magnetic charging cable to the charging pins on the back of the watch and plug the USB end into a compatible power adapter (not included) or a computer's USB port. The watch will display a charging indicator. A full charge takes approximately 120 minutes.
4.2. Powering On/Off
- Power On: Press and hold the main power button (crown) for a few seconds until the GOBOULT logo appears.
- Power Off: From the watch face, swipe down to access quick settings, or navigate to the settings menu. Select "Power Off" and confirm. Alternatively, press and hold the main power button until the power-off option appears.
4.3. Pairing with Your Smartphone
To unlock all features, pair your GOBOULT Mustang Racer Smart Watch with the companion app on your smartphone via Bluetooth.
- Download the official GOBOULT app from your smartphone's app store (iOS App Store or Google Play Store).
- Ensure Bluetooth is enabled on your smartphone.
- Open the GOBOULT app and follow the on-screen instructions to create an account or log in.
- In the app, select "Add Device" or similar option.
- Select "GOBOULT Mustang Racer" from the list of available devices.
- Confirm the pairing request on both your smartphone and the smartwatch.
Once paired, the watch will synchronize data with your phone, and you can customize settings through the app.

Image: The smartwatch highlighting its Bluetooth V5.3 connectivity for quick syncing and IP67 water resistance.
5. Operating Instructions
5.1. Navigation
- Swipe Up/Down/Left/Right: Navigate through menus, notifications, and quick access panels.
- Tap: Select an item or confirm an action.
- Rotating Bezel/Crown: Rotate to scroll through lists or adjust settings. Press to select or return to the home screen.
- Paddle Shifter Button: Customizable shortcut for frequently used functions (e.g., sports modes).
5.2. Bluetooth Calling
With integrated speaker and microphone, you can make and receive calls directly from your wrist after pairing with your smartphone.
- Ensure your watch is connected to your phone via Bluetooth.
- To make a call: Access the dialer or contacts list on your watch.
- To receive a call: An incoming call notification will appear on your watch. Tap to answer or decline.
5.3. Watch Faces
Customize your watch's appearance with over 150 watch faces, including exclusive Mustang designs. Long-press the watch face to change it, or use the companion app for more options.

Image: The smartwatch showcasing multiple watch face options, including exclusive Mustang designs.
5.4. Sports Modes
The watch supports over 120 sports modes to track your physical activities. Access sports modes from the main menu or via the paddle shifter shortcut (if configured).
- Select your desired sport.
- Start the activity. The watch will record metrics such as duration, calories burned, and heart rate.
- End the activity to save data. Review your performance in the app.

Image: The smartwatch displaying a sports tracking interface, indicating its capability to monitor various physical activities.
5.5. Health Monitoring
The GOBOULT Mustang Racer Smart Watch provides comprehensive health tracking features:
- 24x7 Heart Rate Monitor: Continuously tracks your heart rate.
- SpO2 Blood Oxygen Saturation Monitor: Measures blood oxygen levels.
- Sleep Monitoring: Analyzes sleep patterns (deep sleep, light sleep, awake time).
- Stress Monitor: Provides insights into your stress levels.
- Blood Pressure: (Note: Smartwatch blood pressure measurements are for reference only and should not be used for medical diagnosis.)
Access these features from the watch's health menu or view detailed reports in the companion app.

Image: An internal view of the smartwatch highlighting its health tracking sensors, with text indicating features like heart rate, SpO2, sleep, and stress monitoring.
5.6. AI Voice Assistant
Activate the AI Voice Assistant on your watch to perform tasks, set reminders, or get information using voice commands. Ensure your watch is connected to your phone for this feature to function.
5.7. Smart Notifications
Receive notifications for calls, messages, and app alerts directly on your watch. Manage notification settings through the GOBOULT app.
5.8. Always On Display
The Always On Display feature allows the time and essential information to remain visible on the screen without needing to raise your wrist or press a button. This feature can be enabled or disabled in the watch settings to manage battery consumption.

Image: The smartwatch displaying the time and a car image, illustrating the Always On Display functionality.
6. Features and Specifications
Key Features:
- 1.43" AMOLED Display with 500 Nits Brightness
- Bluetooth Calling (BT V5.3)
- Rotating Bezel for intuitive control
- 150+ Watch Faces, including exclusive Mustang designs
- AI Voice Assistant
- Health Monitoring: SpO2, Heart Rate, Sleep, Stress, Blood Pressure
- 120+ Sports Modes
- IP67 Water Resistant
- Up to 7-day battery runtime with fast charging
Technical Specifications:
| Brand | GOBOULT |
| Model Number | GOBOULT Mustang Racer |
| Display Size | 1.43 Inches |
| Wireless Type | Bluetooth V5.3 |
| Battery Charge Time | 120 Minutes |
| Battery Energy Content | 1.11 Watt Hours |
| Water Resistance | IP67 |
| Item Weight | 55 g |
| Country of Origin | China |
7. Maintenance
7.1. Cleaning Your Smart Watch
Regular cleaning helps maintain the watch's appearance and functionality:
- Wipe the screen and body with a soft, lint-free cloth.
- For stubborn smudges, slightly dampen the cloth with water. Avoid using harsh chemicals or abrasive materials.
- Clean the charging contacts periodically with a dry cloth to ensure proper charging.
7.2. Water Resistance (IP67)
The GOBOULT Mustang Racer Smart Watch is IP67 water resistant, meaning it can withstand immersion in up to 1 meter of fresh water for up to 30 minutes. It is suitable for daily use and light splashes. However, it is not recommended for swimming, showering with hot water, or diving. Avoid exposure to saltwater or chemicals, as this may damage the device.
7.3. Battery Care
- Avoid fully discharging the battery frequently.
- Store the watch in a cool, dry place when not in use for extended periods.
- Use only the provided charging cable.
8. Troubleshooting
| Problem | Possible Solution |
|---|---|
| Watch does not power on. | Ensure the watch is fully charged. Connect it to the charger for at least 30 minutes. |
| Cannot pair with smartphone. |
|
| Inaccurate health data. |
|
| Short battery life. |
|
9. Warranty and Support
Your GOBOULT Mustang Racer Smart Watch comes with a warranty as specified on the included Warranty Card. Please refer to the card for details regarding warranty period, coverage, and terms and conditions.
For technical support, product inquiries, or warranty claims, please contact GOBOULT customer service through the contact information provided on your Warranty Card or visit the official GOBOULT website.
Included Components: Charging Cable, Mustang Racer Apex Blue Smart watch, User Manual, Warranty Card





