LIGE FV13-B
LIGE Smartwatch User Manual
Model: FV13-B
1. Introduction
This manual provides comprehensive instructions for the operation, maintenance, and troubleshooting of your LIGE Smartwatch, model FV13-B. Please read this manual carefully before using the device to ensure proper functionality and to maximize its lifespan.
The LIGE Smartwatch is designed as a reliable companion for an active lifestyle, featuring a 1.85-inch HD display, a 710 mAh battery, Bluetooth connectivity for calls and notifications, and extensive health monitoring capabilities.
2. Product Overview
The LIGE Smartwatch FV13-B combines robust design with advanced features. Key components include the main watch body, display, side buttons, charging contacts, and interchangeable straps.

Figure 2.1: LIGE Smartwatch FV13-B with its two strap options (grey and orange) and examples of its digital watch faces, including health metrics and call interface. The image also depicts water resistance.
2.1 Key Features
- 1.85-inch HD Display: Provides clear and bright visuals with adjustable brightness.
- 710 mAh Battery: Offers extended battery life for up to 15 days of regular use and 45 days standby.
- Bluetooth 5.0 Connectivity: Enables stable and fast connections for calls and notifications.
- Integrated LED Flashlight: A powerful light for outdoor activities or emergencies.
- Health Monitoring: Includes 24-hour monitoring of blood oxygen, heart rate, respiratory rate, and sleep.
- 100+ Sport Modes: Tracks various activities with data recording for steps, heart rate, calories, and distance.
- IP68 Water Resistance: Designed to withstand water exposure.
3. Setup and Initial Use
3.1 Charging the Device
Before first use, fully charge your smartwatch. Connect the magnetic charging cable to the charging contacts on the back of the watch and plug the USB end into a compatible power adapter (not included).

Figure 3.1: Illustration of the LIGE Smartwatch FV13-B being charged, highlighting its 710mAh battery capacity and comparing its battery life to other capacities.
A full charge takes approximately 2.5 hours. The battery indicator on the watch screen will show charging progress.
3.2 Pairing with Your Smartphone
- Download the App: Scan the QR code in the watch's settings or search for the official companion app (e.g., "Da Fit" or similar, as per watch display) in your smartphone's app store (compatible with Android 4.4+ and iOS 9.0+).
- Enable Bluetooth: Ensure Bluetooth is enabled on your smartphone.
- Open the App: Launch the companion app and follow the on-screen instructions to add your device.
- Search and Connect: The app will search for available devices. Select "FV13-B" or the corresponding device name from the list.
- Confirm Pairing: Confirm the pairing request on both your watch and smartphone.
Once paired, the watch will synchronize time and data with your phone.
4. Operating Instructions
4.1 Basic Navigation
- Power On/Off: Press and hold the side button to power on or off.
- Wake Screen: Raise your hand or press the side button to wake the screen.
- Swipe Up/Down: Access quick settings or notifications.
- Swipe Left/Right: Navigate through different functions and widgets (e.g., heart rate, steps, weather).
- Tap: Select an option or enter a menu.

Figure 4.1: The 1.85-inch HD display of the LIGE Smartwatch FV13-B, showcasing its 360x360 resolution and eye-friendly features.
4.2 Bluetooth Calls and Notifications
After successful pairing, your smartwatch can handle calls and display notifications.
- Making/Receiving Calls: Use the watch's speaker and microphone for clear calls. You can dial from the watch, access contacts, or view call logs.
- Notifications: Receive real-time notifications from social media apps (Facebook, WhatsApp, Twitter, etc.) directly on your watch.

Figure 4.2: A user interacting with the LIGE Smartwatch FV13-B for Bluetooth calls and message notifications, demonstrating hands-free communication.
4.3 Health Monitoring
The smartwatch continuously monitors various health metrics.
- Heart Rate: Real-time heart rate tracking.
- Blood Oxygen (SpO2): Measures blood oxygen levels.
- Sleep Tracking: Monitors sleep patterns and quality.
- Sedentary Reminders: Alerts you to move after periods of inactivity.
Note: This device is not a medical device. Health data is for reference only and should not be used for medical diagnosis or treatment.

Figure 4.3: Overview of the LIGE Smartwatch FV13-B's 24-hour health monitoring features, including heart rate, blood oxygen, and sleep tracking, shown during day and night activities.
4.4 Sport Modes and Activity Tracking
The smartwatch supports over 100 sport modes to track your workouts.
- Select Mode: Choose your desired sport mode (e.g., running, cycling, basketball) from the watch menu.
- Data Recording: The watch automatically records steps, heart rate, calories burned, and distance.
- Review Data: Sync data to the companion app for detailed analysis and historical records.

Figure 4.4: The LIGE Smartwatch FV13-B in use during cycling, demonstrating its capability to track over 100 sport modes and record key metrics like calories, distance, and steps.
4.5 LED Flashlight Function
The integrated LED flashlight provides convenient illumination.
- Activation: Access the flashlight function through the watch's quick settings or dedicated menu.
- Usage: Useful for outdoor activities at night, car repairs, or camping.

Figure 4.5: The LIGE Smartwatch FV13-B highlighting its powerful LED flashlight, depicted in practical outdoor and emergency situations.
4.6 Other Functions
- Weather Forecasts: Get real-time weather updates.
- Voice Assistant: Control your device with voice commands.
- Alarm Clock, Stopwatch, Timer: Standard timekeeping functions.
- Music Control: Control music playback on your smartphone.
- Drink and Movement Reminders: Stay hydrated and active.
- Find Phone: Locate your paired smartphone.
5. Maintenance and Care
5.1 Cleaning
Regularly clean your smartwatch and strap to prevent skin irritation and maintain performance.
- Wipe the screen and watch body with a soft, lint-free cloth.
- For stubborn stains, dampen the cloth slightly with water. Avoid using harsh chemicals or abrasive materials.
- Clean the charging contacts periodically to ensure good connection.
5.2 Water Resistance
The LIGE Smartwatch FV13-B is IP68 water-resistant. This means it is protected against immersion in water up to 1.5 meters for up to 30 minutes. It is suitable for daily use, such as hand washing or rain exposure.
Caution: Not suitable for hot water, saunas, or diving. Avoid prolonged exposure to water. Do not operate buttons underwater.
5.3 Storage
When not in use for extended periods, store the smartwatch in a cool, dry place. Ensure it has some charge to prevent deep discharge of the battery.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Watch does not turn on. | Low battery; device frozen. | Charge the watch for at least 30 minutes. If still unresponsive, perform a forced restart (refer to app instructions or hold power button for 10-15 seconds). |
| Cannot pair with phone. | Bluetooth off; app not running; watch not discoverable; interference. | Ensure Bluetooth is on. Restart phone and watch. Make sure the app is open and searching. Reset watch to factory settings if necessary. |
| Notifications not received. | App permissions not granted; notification settings off in app/phone. | Check app permissions for notifications. Ensure notification settings are enabled in the companion app and on your phone. |
| Inaccurate health data. | Watch not worn correctly; sensor dirty. | Ensure the watch is snug on your wrist (not too tight or loose). Clean the optical sensor on the back of the watch. Remember, data is for reference only. |
| Short battery life. | High usage of features (calls, constant monitoring); frequent screen wake-ups. | Reduce screen brightness, limit continuous heart rate monitoring, disable unnecessary notifications, and ensure proper charging. |
If the problem persists, please contact customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | FV13-B |
| Brand | LIGE |
| Display Size | 1.85 inches |
| Battery Capacity | 710 mAh (Lithium-polymer) |
| Connectivity | Bluetooth 5.0 |
| Water Resistance | IP68 |
| Compatible OS | Android 4.4+ / iOS 9.0+ |
| Memory Storage Capacity | 128 MB |
| Special Features | LED Light, Activity Tracking, Call/Message Notifications, Health Monitoring (HR, SpO2, Sleep), 100+ Sport Modes, Voice Assistant, Music Control, Weather Forecast. |
8. Warranty and Support
8.1 Warranty Information
LIGE products typically come with a standard manufacturer's warranty. Please refer to the warranty card included with your product or contact the seller for specific warranty terms and conditions. The warranty generally covers manufacturing defects but does not cover damage caused by misuse, accidents, or unauthorized modifications.
8.2 Customer Support
If you encounter any issues not covered in the troubleshooting section or require further assistance, please contact LIGE customer support or the seller from whom you purchased the product. When contacting support, please provide your product model (FV13-B) and a detailed description of the issue.
You can often find contact information on the product packaging, the seller's website, or within the companion application.
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