1. Introduction
This manual provides comprehensive instructions for the LIGE Smart Watch, Model Silver-EF15-B. Designed for men, this smartwatch features a 1.75-inch IPS display, an 800mAh battery, and a range of health and fitness tracking capabilities. It is built to be durable with IP68 waterproofing and includes a built-in flashlight for convenience. Please read this manual carefully to ensure proper use and maintenance of your device.

Figure 1: LIGE Smart Watch, Model Silver-EF15-B, showcasing its main display and design.
2. Getting Started: Setup
2.1. Charging the Device
Before first use, fully charge your LIGE Smart Watch. The device is equipped with an 800mAh high-capacity battery, providing extended usage. A full charge typically takes 2-3 hours.
- Connect the charging cable to the charging port on the back of the watch.
- Plug the USB end of the cable into a standard USB power adapter (5V/1A recommended) or a computer's USB port.
- The watch display will indicate charging status.

Figure 2: Illustration of the smartwatch's 800mAh battery capacity and extended battery life.
2.2. App Installation and Pairing
To unlock the full potential of your LIGE Smart Watch, download and install the "FitCloud Pro" application on your smartphone. The watch is compatible with Android 5.1+ and iOS 9.0+ devices.
- Scan the QR code provided in the watch's quick start guide or search for "FitCloud Pro" in your phone's app store (Google Play Store for Android, Apple App Store for iOS).
- Install the application.
- Enable Bluetooth on your smartphone.
- Open the "FitCloud Pro" app, register or log in, and follow the on-screen instructions to add your device.
- Select your LIGE Smart Watch from the list of available devices to pair. Confirm the pairing request on both your phone and the watch.
3. Operating Your Smart Watch
3.1. Display and Navigation
The LIGE Smart Watch features a 1.75-inch circular IPS display with 399x399 resolution, offering clear and vibrant visuals. Navigate through menus and features by swiping across the screen and tapping icons.

Figure 3: Detailed view of the smartwatch's high-definition display.
3.2. Bluetooth Call and Message Notifications
Once paired with your smartphone, the watch allows you to make and receive calls directly from your wrist, thanks to its built-in microphone and speaker. It also displays notifications from various social media applications and messages.
- Making Calls: Access the dial pad or contact list on the watch to initiate calls.
- Receiving Calls: Answer or reject incoming calls directly from the watch.
- Notifications: All incoming messages and app notifications will be displayed on your wrist with a vibration alert.

Figure 4: Bluetooth call and message notification functionality.
3.3. Sports Modes and Activity Tracking
The smartwatch comes with 8 essential sports modes preloaded, and over 100 additional options are available through the "FitCloud Pro" app. You can customize your watch to include your preferred activities.
- Accessing Sports Modes: Navigate to the sports mode section on your watch.
- Tracking: The watch tracks various metrics such as steps, calories burned, distance, and heart rate during workouts.
- App Integration: Sync your workout data with the "FitCloud Pro" app for detailed analysis and progress tracking.

Figure 5: Overview of the 100+ sports modes and activity tracking features.
3.4. Health Monitoring
Equipped with the VC30F-S sensor, the LIGE Smart Watch provides quick monitoring of key health metrics. NOTE: The measurement data is for reference only and not intended for medical monitoring.
- Heart Rate: Real-time heart rate monitoring.
- Blood Pressure: On-demand blood pressure readings.
- Blood Oxygen (SpO2): Measurement of blood oxygen saturation.
- Sleep Monitoring: Detailed analysis of sleep patterns, including light sleep, deep sleep, and REM.

Figure 6: Scientific sleep monitoring features of the smartwatch.
3.5. Built-in Flashlight
The watch features a high-intensity side-mounted flashlight, capable of illuminating 20-26 feet (6-8 meters). This is useful for various situations, including outdoor activities or power outages.
- Activating Flashlight: Refer to your watch's specific interface for flashlight activation, typically through a quick access menu or a dedicated button press.
- Usage: Ideal for low-light conditions, camping, hiking, or emergency situations.

Figure 7: The smartwatch's built-in LED flashlight in action.
3.6. Customization and Other Features
- Watch Faces: Choose from 5 pre-installed watch faces or explore over 200+ options in the "FitCloud Pro" app. You can also customize your own watch face.
- Music Control: Control music playback on your connected smartphone.
- Weather Forecast: Get real-time weather updates.
- Remote Photography: Use your watch as a remote shutter for your phone's camera.
- AI Voice Assistant: Utilize voice commands for various functions.
- Reminders: Set alarms, sedentary reminders, and water intake reminders.

Figure 8: Customization options and additional smart features.
4. Maintenance
4.1. IP68 Waterproof Rating
The LIGE Smart Watch boasts an IP68 waterproof rating, meaning it is resistant to dust, dirt, and submersion in water up to 1.5 meters for 30 minutes. This makes it suitable for daily wear, including hand washing and light rain exposure. However, it is not recommended for hot water baths, saunas, or deep diving.

Figure 9: Durability and IP68 waterproof features.
4.2. Cleaning and Care
- Wipe the watch regularly with a soft, dry cloth to remove dust and smudges.
- If the watch comes into contact with sweat, saltwater, or other liquids, rinse it with clean water and dry thoroughly.
- Avoid exposing the watch to extreme temperatures or direct sunlight for prolonged periods.
- Keep the charging contacts clean and dry to ensure efficient charging.
5. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Watch does not turn on | Low battery; device frozen. | Charge the watch for at least 30 minutes. Press and hold the power button for 10-15 seconds to force restart. |
| Cannot pair with phone | Bluetooth off; app issue; watch not discoverable. | Ensure Bluetooth is on and the watch is charged. Restart both the watch and phone. Reinstall the "FitCloud Pro" app. |
| Notifications not received | App permissions; notification settings. | Check notification permissions for "FitCloud Pro" in your phone settings. Ensure notifications are enabled within the app. |
| Inaccurate health data | Improper wearing; sensor obstruction. | Ensure the watch is worn snugly on the wrist. Clean the sensor on the back of the watch. Remember data is for reference only. |
6. Specifications
| Feature | Detail |
|---|---|
| Brand | LIGE |
| Model | Silver-EF15-B |
| Display | 1.75" IPS, 399x399 Resolution |
| Battery Capacity | 800mAh Lithium Polymer |
| Charging Time | 2-3 Hours |
| Battery Life | 10-15 Days (typical use), 60 Days (standby) |
| Waterproof Rating | IP68 |
| Compatibility | Android 5.1+ / iOS 9.0+ |
| Connectivity | Bluetooth |
| Sensors | VC30F-S (Heart Rate, Blood Pressure, Blood Oxygen) |
| Dimensions | 7 x 15 x 2 cm |
| Weight | 200 g |
7. Warranty and Support
LIGE provides a lifetime replacement warranty for this product. If you encounter any issues with the watch, including accessories, quality, operation, or charging, please do not hesitate to contact the dedicated customer service team for assistance.
For support, please refer to the contact information provided with your product packaging or visit the official LIGE support website.





