Introduction
Welcome to the user manual for your LIGE Military Smart Watch. This guide provides essential information for setting up, operating, maintaining, and troubleshooting your new device. Please read this manual thoroughly to ensure optimal performance and longevity of your smartwatch.
Package Contents
Your LIGE Military Smart Watch package should contain the following items:
- LIGE Military Smart Watch (FV13-D or FV13-B)
- Charging Cable
- User Manual (this document)
- Additional Straps (Total 4 straps for FV13-D + FV13-B models)
Setup Guide
1. Charging the Smart Watch
Before first use, fully charge your smartwatch.
- Connect the magnetic charging cable to the charging points 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 screen will display a charging indicator. Allow approximately 2-3 hours for a full charge.

Image: LIGE Military Smart Watch models FV13-D and FV13-B, showcasing the watch faces, charging cable, and the included additional straps.
2. Downloading the Companion App
To unlock the full features of your smartwatch, download the dedicated companion application on your smartphone.
- Scan the QR code provided in the watch's packaging or on the watch screen (if available) to download the app.
- Alternatively, search for "[App Name - Consult product packaging or official website]" in your smartphone's app store (Google Play Store for Android, Apple App Store for iOS).
- Install the application.
3. Pairing the Smart Watch with Your Smartphone
Ensure Bluetooth is enabled on your smartphone.
- Open the companion app on your smartphone.
- Follow the on-screen instructions to create an account or log in.
- Navigate to the "Device" or "Add Device" section within the app.
- Select your LIGE Smart Watch from the list of available devices. The watch's name might appear as "FV13-D" or "FV13-B" or similar.
- Confirm the pairing request on both your smartphone and the smartwatch if prompted.
- Once paired, the watch will synchronize time and data with your phone.
Operating Your Smart Watch
Basic Navigation
- Touch Screen: Swipe left/right, up/down to navigate through menus and features. Tap to select.
- Side Buttons: Typically, one button acts as a power/back button, and others may be customizable shortcuts or dedicated function buttons. Refer to on-screen prompts for specific button functions.
Key Features
Long Battery Life

Image: A LIGE Military Smart Watch highlighting its 710mAh battery capacity, accompanied by a table comparing battery life under different usage scenarios (Heavy Usage, Daily Usage, Low-battery Mode) for 710mAh, 300-500mAh, and 150-220mAh batteries.
The LIGE Military Smart Watch is equipped with a 710mAh large battery, designed for extended use without frequent recharging.
| Usage Scenario | 710 mAh (This Watch) | 300-500 mAh (Large Battery) | 150-220 mAh (General Battery) |
|---|---|---|---|
| Heavy Usage | 7 Days+ | 3-4 Days | 1-2 Days |
| Daily Usage | 14 Days+ | 7 Days | 3-4 Days |
| Low-battery Mode | 100 Days+ | 50-60 Days | 10-30 Days |
1.85-inch HD Large Screen

Image: A LIGE Military Smart Watch highlighting its 1.85-inch HD large screen with 360x360 resolution, emphasizing clear display and smooth operation.
Experience clear visuals and smooth interaction with the 1.85-inch HD display, featuring a 360x360 resolution.
Powerful LED Flashlight

Image: A LIGE Military Smart Watch demonstrating its powerful LED flashlight feature, useful for outdoor activities at night, car repair, or camping.

Image: A LIGE Military Smart Watch demonstrating its powerful LED flashlight feature, useful for outdoor activities at night, car repair, or camping.
The integrated powerful LED flashlight provides illumination for various situations, whether outdoors at night or for indoor lighting needs.
Health Monitoring

Image: A LIGE Military Smart Watch illustrating its 24-hour heart rate tracking, blood pressure monitoring, blood oxygen measurement, and sleep tracking capabilities.
- 24-Hour Heart Rate Tracking: Continuously monitors your heart rate throughout the day and night.
- Blood Pressure & Blood Oxygen: Provides measurements for key health indicators. (Note: This device is not a medical device. Consult a healthcare professional for medical advice.)
- Sleep Tracker: Analyzes your sleep patterns, including deep sleep, light sleep, and awake times.
Sports Modes & Activity Tracking

Image: A LIGE Military Smart Watch displaying its 100+ sports modes feature, showing a cyclist and various activity icons like running, walking, cycling, and swimming, along with calorie, distance, and step tracking.
The smartwatch supports over 100 sports modes to accurately track your workouts, including calories burned, distance covered, and steps taken.
Bluetooth HD Voice Calls & Notifications

Image: A LIGE Military Smart Watch demonstrating Bluetooth HD voice call capabilities (contacts, dial pad, make/receive calls) and real-time message notifications from social media applications.
Make and receive HD voice calls directly from your wrist when connected to your smartphone via Bluetooth. Receive real-time notifications from various social media and messaging applications.
Maintenance and Care
- Cleaning: Wipe the watch and straps regularly with a soft, dry cloth. For stubborn dirt, use a slightly damp cloth and dry thoroughly. Avoid harsh chemicals or abrasive materials.
- Water Resistance: While the watch is designed for daily wear and may have some water resistance, avoid prolonged immersion in water, hot water, or steam. Do not press buttons underwater.
- Charging: Use only the provided charging cable. Ensure the charging points are clean and dry before charging.
- Storage: Store the watch in a cool, dry place when not in use. Avoid extreme temperatures.
- Strap Replacement: The watch comes with interchangeable straps. To replace, locate the quick-release pins on the underside of the strap and gently slide them to detach. Attach new straps by reversing the process.
Troubleshooting
Watch Not Turning On
- Ensure the watch is fully charged. Connect it to the charger for at least 30 minutes.
- Press and hold the power button for 10-15 seconds to force a restart.
Cannot Pair with Smartphone
- Ensure Bluetooth is enabled on your smartphone and the watch.
- Make sure the watch is within the Bluetooth range (typically 10 meters) of your phone.
- Restart both your smartphone and the smartwatch.
- Clear the Bluetooth cache on your phone (Android) or forget the device in Bluetooth settings (iOS/Android) and try pairing again.
- Ensure the companion app is updated to the latest version.
Inaccurate Health Data
- Ensure the watch is worn snugly on your wrist, about one finger's width above the wrist bone.
- Keep the sensor on the back of the watch clean.
- Avoid excessive movement during measurements.
Notifications Not Appearing
- Check app notification permissions on your smartphone.
- Ensure the watch is connected to the app and Bluetooth is active.
- Verify that "Do Not Disturb" mode is not active on either the watch or your phone.
Specifications
| Feature | Detail |
|---|---|
| Model Numbers | FV13-D, FV13-B |
| Brand | LIGE |
| Display Size | 1.85 inches HD |
| Display Resolution | 360x360 pixels |
| Battery Capacity | 710 mAh |
| Connectivity | Bluetooth (for calls and app sync) |
| Health Monitoring | Heart Rate, Blood Pressure, Blood Oxygen, Sleep Tracking |
| Sports Modes | 100+ |
| Additional Features | Powerful LED Flashlight, Message Notifications |
| ASIN | B0F673CXJ6 |
| First Available Date | April 24, 2025 |

Image: Detailed product dimensions for the LIGE Military Smart Watch (53mm diameter) and strap sizes (130mm and 95mm sections, 24mm width), along with wrist circumference range (min: 138mm, max: 255mm).
Warranty and Support
For warranty information and customer support, please refer to the warranty card included in your product packaging or visit the official LIGE website.
If you encounter any issues not covered in this manual, please contact LIGE customer service for assistance.
- Manufacturer: LIGE
- Seller: MingQI SMART (as per Amazon listing)
- Amazon Product Link: https://www.amazon.com/dp/B0F673CXJ6





