Introduction
Thank you for choosing the CUBOT Smartwatch C28. This device is designed to enhance your daily life with its advanced features, including Bluetooth calling, comprehensive health monitoring, and a wide array of sports modes. This manual provides essential information for setting up, operating, and maintaining your smartwatch to ensure optimal performance and longevity.

Image: Front view of the CUBOT Smartwatch C28, displaying the time, heart rate, steps, and weather on its screen.
Setup Guide
1. Charging the Smartwatch
Before initial use, fully charge your CUBOT C28 smartwatch. Connect the magnetic charging cable to the charging points on the back of the watch and plug the USB end into a standard USB power adapter (not included). A full charge typically takes approximately 2 hours.

Image: The CUBOT Smartwatch C28 with a large "410mAh" text, indicating its battery capacity and long endurance.
2. App Installation and Pairing
- Download the App: Search for "FitCloud Pro" in your smartphone's app store (Google Play Store for Android or Apple App Store for iOS) and install it.
- Enable Bluetooth: Ensure Bluetooth is enabled on your smartphone.
- Pairing: Open the FitCloud Pro app, create an account or log in, and follow the on-screen instructions to add your device. Select "C28" from the list of available devices to pair.
- Compatibility: The smartwatch is compatible with Android 9.0 or higher and iOS 9.0 or higher.
Operating Instructions
Basic Navigation
- Screen: The C28 features a 2.02-inch TFT screen with a resolution of 320x390.
- Touch Control: Swipe left/right, up/down to navigate through menus and functions. Tap to select.
- Side Buttons: Use the physical buttons on the side for quick access to specific functions (e.g., power, menu, sport modes).
Smart Functions
- Bluetooth Calls: Make and receive calls directly from your smartwatch when connected to your phone via Bluetooth.
- Notifications: Receive messages, app alerts, and call notifications on your wrist.
- Music Control: Control music playback on your smartphone (play, pause, skip tracks).
- Remote Photography: Use your smartwatch as a remote shutter for your phone's camera.
- Voice Assistant: Access your phone's voice assistant directly from the watch.
- Utilities: Utilize features like timer, alarm clock, and more.
Sports Modes and Activity Tracking
The C28 offers over 100 sports modes, including 19 specific sports, to accurately track your workouts. It records steps, calories burned, and exercise duration.

Image: A visual representation of various sport mode icons, indicating the smartwatch's capability to track over 100 different activities.
Health Monitoring
Monitor your health with the integrated sensors:
- Heart Rate: Continuous heart rate monitoring.
- Blood Pressure: Measure your blood pressure.
- SpO2: Track your blood oxygen saturation levels.
- Sleep Monitoring: Analyze your sleep patterns (deep sleep, light sleep, awake time).
- Stress Monitoring: Assess your stress levels.
- Cycle Tracking: For female users, track menstrual cycles.

Image: A graphic displaying the smartwatch's health management features, including heart rate, SpO2, blood pressure, stress, sleep, and cycle tracking data.
Customization
- Watch Faces: Choose from various watch faces or customize your own through the FitCloud Pro app.
- Brightness: Adjust screen brightness for optimal viewing.
- Vibration & Sound: Configure vibration patterns and sound settings for notifications and alerts.
Water Resistance
The CUBOT C28 has a water resistance rating of 1 ATM. This means it is resistant to splashes, sweat, and rain. It is suitable for daily cleaning and light water exposure. It is not recommended for swimming, showering with hot water, or diving.

Image: The CUBOT Smartwatch C28 displayed with a background of divers, illustrating its 1 ATM waterproof rating, suitable for daily cleaning, sweat, and rain.
Maintenance
- Cleaning: Regularly clean your smartwatch and strap with a soft, dry cloth. If necessary, use a slightly damp cloth and then dry thoroughly. Avoid using harsh chemicals or abrasive materials.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the device when the battery level is low. Store the device in a cool, dry place if not used for extended periods.
- Durability: The C28 is designed for toughness, shock proof, and drop resistance. However, avoid excessive impact or dropping the device from significant heights to prevent damage.

Image: The CUBOT Smartwatch C28 positioned on a rocky surface, highlighting its toughness, shock-proof, and drop-resistant qualities.
Troubleshooting
- Smartwatch not turning on: Ensure the device is fully charged. Connect it to the charger and wait a few minutes before attempting to power it on.
- Cannot pair with phone:
- Ensure Bluetooth is enabled on your phone and the smartwatch.
- Make sure the smartwatch is within the Bluetooth range of your phone.
- Restart both your phone and the smartwatch.
- Try unpairing and re-pairing the device through the FitCloud Pro app.
- Inaccurate health data:
- Ensure the smartwatch is worn snugly on your wrist, not too loose or too tight.
- Clean the sensors on the back of the watch.
- Avoid excessive movement during measurements.
- Notifications not appearing:
- Check notification permissions for the FitCloud Pro app in your phone's settings.
- Ensure the app is running in the background.
- Verify that notifications are enabled within the FitCloud Pro app settings for specific applications.
Specifications
| Feature | Detail |
|---|---|
| Display | 2.02-inch TFT, 320x390 resolution |
| Battery Capacity | 410 mAh |
| Connectivity | Bluetooth |
| Water Resistance | 1 ATM (Resistant to splashes, sweat, rain) |
| Special Features | Bluetooth Calls, Voice Assistant, Stress Reduction, Sleep Aid |
| Compatible Devices | Smartphones, Tablets |
| Compatible OS | Android 9.0+, iOS 9.0+ |
| Shape | Rectangular |
Warranty and Support
CUBOT products are manufactured to the highest quality standards. For information regarding warranty coverage, please refer to the warranty card included with your product packaging or visit the official CUBOT website. For technical support, troubleshooting assistance, or service inquiries, please contact CUBOT customer support through their official channels.
You can often find support information on the brand's official website: www.cubot.net