1. Introduction
The Gravity C25 Smartwatch is designed to enhance your daily life with advanced features for communication, health monitoring, and fitness tracking. This manual provides essential information to help you set up, operate, and maintain your device effectively.
The C25 features a 1.43-inch AMOLED display, Bluetooth calling, AI voice assistant, and over 100 sports modes. It is built with a rugged, 1 ATM waterproof design suitable for various environments.
2. What's in the Box
- Gravity C25 Smartwatch
- Charging Cable
- User Manual
3. Setup
3.1 Charging the Smartwatch
Before first use, fully charge your Gravity C25 Smartwatch. Connect the magnetic charging cable to the charging contacts on the back of the watch and plug the USB end into a standard USB power adapter (not included).
The watch display will show the charging status. A full charge typically takes approximately 2 hours.
3.2 Powering On/Off
- To Power On: Press and hold the side power button until the Gravity logo appears.
- To Power Off: Press and hold the side power button, then select 'Power Off' on the screen.
3.3 App Installation and Pairing
The Gravity C25 Smartwatch uses the Da Fit app for full functionality and data synchronization.
- Download the Da Fit app from the Apple App Store (for iOS) or Google Play Store (for Android).
- Ensure Bluetooth is enabled on your smartphone.
- Open the Da Fit app, create an account or log in.
- Follow the in-app instructions to add your device. Select 'Add Device' and choose 'C25' from the list of available devices.
- Confirm the pairing request on both your phone and the smartwatch.
Image: Overview of Gravity C25 features, including Da Fit app and Bluetooth connectivity.
4. Operating Instructions
4.1 Display and Navigation
The Gravity C25 features a 1.43-inch AMOLED HD screen with a resolution of 466x466 pixels. It supports an Always-On Display (AOD) mode.
Image: Close-up of the Gravity C25's 1.43-inch AMOLED HD screen, highlighting its clarity and data display.
- Swipe Down: Access quick settings (e.g., brightness, DND, battery saver).
- Swipe Up: View notifications.
- Swipe Left/Right: Navigate through widgets and main functions (e.g., activity, heart rate, weather).
- Tap: Select an item or open an application.
- Side Button: Press to return to the watch face or access the app menu.
4.2 Changing Watch Faces
You can customize your watch face directly on the device or through the Da Fit app.
- On Watch: From the main watch face, press and hold the screen. Swipe left or right to browse available watch faces and tap to select.
- Via Da Fit App: Open the app, go to 'Device' settings, and select 'Watch Faces' to explore more options and customize.
Image: A selection of customizable watch faces available for the Gravity C25 Smartwatch.
5. Health and Fitness Tracking
The C25 Smartwatch offers comprehensive health and fitness monitoring features.
5.1 Heart Rate Monitoring
The watch continuously monitors your heart rate throughout the day. View real-time data on the watch or detailed trends in the Da Fit app.
5.2 Blood Oxygen (SpO2) Monitoring
Measure your blood oxygen saturation levels. Ensure the watch is worn snugly on your wrist for accurate readings.
5.3 Sleep Tracking
The watch automatically tracks your sleep patterns, including deep sleep, light sleep, and awake times. Review your sleep data in the Da Fit app to understand your sleep quality.
Image: The Gravity C25 Smartwatch interface showing detailed sleep pattern analysis.
5.4 Sports Modes
The C25 supports over 100 sports modes, including running, cycling, swimming, and more. Select your activity from the sports menu to track duration, calories burned, and other relevant metrics.
Image: The Gravity C25 Smartwatch displaying smart blood oxygen monitoring and 24-hour heart rate tracking.
6. Smart Features
6.1 Bluetooth Calling
Once paired with your smartphone via Bluetooth, you can make and receive calls directly from your wrist. Ensure the Bluetooth call function is enabled in the Da Fit app settings.
6.2 AI Voice Assistant
Activate the AI voice assistant on your watch to perform tasks hands-free, such as checking the weather, setting alarms, or initiating calls. Refer to the Da Fit app for specific voice commands and setup.
6.3 Notifications
Receive notifications for calls, messages, and various apps directly on your smartwatch. Customize which app notifications you receive through the Da Fit app.
7. Durability and Water Resistance
The Gravity C25 is designed for rugged use, featuring 1 ATM water resistance, dustproof, and shockproof capabilities. It can withstand temperatures from -24°C to 60°C.
Image: The Gravity C25 Smartwatch demonstrating 1 ATM water resistance, anti-cold, and high-temperature resistance.
The 1 ATM water resistance rating means the watch is suitable for splashes, rain, and brief immersion in water, such as swimming in shallow water. It is not recommended for diving or high-pressure water activities.
8. Battery and Charging
The C25 is equipped with a 410mAh battery, providing up to 25 days of standby time. Actual battery life may vary based on usage and settings.
To charge, use the provided magnetic charging cable. Ensure the charging contacts on the watch and cable are clean and dry before connecting.
9. Maintenance
9.1 Cleaning the Smartwatch
Regularly clean your smartwatch to prevent skin irritation and maintain optimal performance.
- Wipe the watch body and strap with a soft, damp, lint-free cloth.
- For stubborn dirt, use a small amount of mild soap and water, then rinse thoroughly and dry.
- Avoid using harsh chemicals, abrasive cleaners, or solvents.
9.2 Software Updates
Periodically check the Da Fit app for available software updates. Updates can improve performance, add new features, and fix bugs. Ensure your watch is sufficiently charged before starting an update.
10. Troubleshooting
- Watch not powering on: Ensure the watch is fully charged. Connect it to the charger for at least 30 minutes.
- Cannot pair with phone:
- Ensure Bluetooth is enabled on your phone and the watch.
- Make sure the watch is within range of your phone.
- Restart both your phone and the smartwatch.
- Clear Bluetooth cache on your phone (Android) or forget the device and re-pair (iOS).
- Inaccurate health data: Ensure the watch is worn snugly on your wrist, not too tight or too loose. Clean the sensor on the back of the watch.
- Notifications not appearing: Check notification settings in the Da Fit app and your phone's system settings to ensure permissions are granted.
- Screen unresponsive: Try restarting the watch by pressing and holding the side button.
11. Specifications
| Model Number | W4-C28 |
| Display Size | 1.43 Inches |
| Display Type | AMOLED |
| Battery Capacity | 410 mAh |
| Water Resistance | 1 ATM |
| Connectivity | Bluetooth |
| Operating System | Android OS (compatible with iOS and Android) |
| Item Weight | 16 ounces |
| Temperature Resistance | -24°C to 60°C |
12. Warranty and Support
For warranty information and customer support, please refer to the documentation provided with your purchase or contact Gravity customer service through their official website. Keep your proof of purchase for warranty claims.
