1. Introduction
Thank you for choosing the LIGE Military Smart Watch EF12-C. This manual provides essential information for setting up, operating, and maintaining your new smartwatch. Please read it thoroughly to ensure optimal performance and longevity of your device.
The LIGE EF12-C is a robust smartwatch designed for active lifestyles, featuring a large AMOLED display, extended battery life, comprehensive health monitoring, and various sports modes. It also supports Bluetooth calls and smart notifications, keeping you connected on the go.
2. What's in the Box
- Smart watch * 1
- Charging cable * 1
- User manual * 1
- Strap adjuster * 1
- Strap * 3 (stainless steel * 1 + black silicone * 1 + grey silicone * 1)

Image: Contents of the LIGE Smart Watch EF12-C packaging, showing the watch, charging cable, and multiple strap options.
3. Setup Guide
3.1 Charging the Smartwatch
Before first use, fully charge your smartwatch. The LIGE EF12-C features a 1000mAh high-performance battery that charges from 0% to 100% in approximately 2 hours. A full charge provides 7-15 days of operating time and up to 50 days of standby time.
- Connect the magnetic charging cable to the charging contacts 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 USB port.
- The watch display will show the charging progress.

Image: The LIGE Smart Watch connected to its charging cable, highlighting its 1000mAh battery and efficient charging.
3.2 App Installation and Pairing
To unlock the full potential of your LIGE Smart Watch, download and install the companion application on your smartphone. The app is compatible with Android 5.1+ and iOS 9.0+.
- Scan the QR code in the user manual or search for the app name (usually specified in the manual or on the watch packaging) in your phone's app store (Google Play Store for Android, Apple App Store for iOS).
- Install the application.
- Open the app and follow the on-screen instructions to create an account or log in.
- Enable Bluetooth on your smartphone.
- In the app, navigate to the device pairing section and select your LIGE EF12-C from the list of available devices.
- Confirm the pairing request on both your phone and the smartwatch.
4. Operating Instructions
4.1 Power On/Off
- Power On: Press and hold the power button (usually the top right button) until the screen lights up.
- Power Off: Press and hold the power button, then select 'Power Off' on the screen, or navigate to 'Settings' > 'System' > 'Power Off'.
4.2 Bluetooth Call Function
The smartwatch allows you to make and receive calls directly from your wrist, thanks to its built-in speaker and microphone. Ensure your watch is connected to your phone via Bluetooth.
- Making Calls: Access the dial pad or synced contacts on your watch to initiate a call.
- Receiving Calls: When a call comes in, you can answer or reject it directly from the watch screen.

Image: The smartwatch screen showing an incoming call, with options to answer or decline. This feature allows for hands-free communication.
4.3 Health Monitoring
The LIGE EF12-C continuously monitors various health metrics to help you stay informed about your well-being.
- Heart Rate Monitoring: Real-time tracking of your heart rate.
- SpO2 (Blood Oxygen) Monitoring: Measures blood oxygen levels.
- Sleep Analysis: Tracks sleep patterns, including deep sleep, light sleep, and awake time, to help optimize sleep cycles.
- Breathing Rate Monitoring: Provides data for stress management.

Image: Visual representation of the smartwatch's health tracking capabilities, showing heart rate, blood oxygen, sleep data, and breathing exercises.
4.4 Sports Modes
With over 120 sports modes, the smartwatch is your ideal training companion. It tracks metrics like duration, steps, distance, and calorie consumption, with continuous heart rate tracking to optimize workout intensity.
- Select your desired sport mode from the watch menu.
- The watch will automatically record relevant data during your activity.
- Detailed post-workout analysis reports are available in the companion app.

Image: The smartwatch interface showing different sports modes and real-time workout metrics like calories burned, steps taken, and distance covered.
4.5 Customizing Watch Faces
Personalize your smartwatch with over 200 downloadable watch faces available through the companion app. You can choose from professional, athletic, minimalist, or mechanical styles.
- Open the companion app on your smartphone.
- Navigate to the 'Watch Faces' or 'Dial Settings' section.
- Browse the available watch faces and select your preferred design to sync it to your watch.

Image: A selection of customizable watch faces displayed on the smartwatch and within the companion app, demonstrating personalization options.
4.6 Smart Voice Assistant
The integrated AI Voice Assistant allows for hands-free control. When connected to your phone, you can use voice commands to check weather, set alarms, call contacts, or send messages.
- Activate the voice assistant on your watch (refer to the watch interface for specific activation method, usually a long press of a button or a swipe gesture).
- Speak your command clearly.

Image: The smartwatch displaying the voice assistant interface, illustrating how users can interact with it using voice commands for various tasks.
4.7 Smart Notifications
Receive real-time wrist notifications for texts, app alerts, and messages (e.g., WhatsApp, Twitter, Facebook), ensuring you stay informed without needing to check your phone constantly.
- Ensure notification permissions are enabled for the companion app on your smartphone.
- Notifications will appear on your watch screen as they arrive.

Image: The smartwatch screen showing incoming messages and app notifications, demonstrating its ability to keep users updated.
4.8 Integrated LED Flashlight
The smartwatch features a side-integrated LED torch, providing convenient illumination in dark environments.
- Access the flashlight function from the watch's quick settings or app menu.
- It offers multiple lighting modes, including Constant-On, Warning, and SOS.

Image: The smartwatch's integrated LED flashlight in action, demonstrating its utility in various scenarios with different lighting modes.
4.9 Other Practical Tools
The LIGE EF12-C includes a variety of other useful features:
- Music Control: Control music playback on your smartphone.
- Live Weather: Get real-time weather updates.
- Camera Remote Shutter: Use your watch to remotely trigger your phone's camera.
- Hydration Reminders: Set reminders to drink water.
- Inactivity Alerts: Reminds you to move after periods of inactivity.
- Stopwatch & Countdown: Built-in timing functions.
- Alarm Clock: Set alarms directly from your wrist.

Image: A collage of the smartwatch's additional features, including music control, weather, remote camera, hydration reminders, and more.
5. Maintenance
5.1 Cleaning and Care
- Regularly clean the watch screen and strap with a soft, dry cloth.
- For stubborn dirt, slightly dampen the cloth with water. Avoid using harsh chemicals or abrasive materials.
- Ensure the charging contacts are clean and dry before charging to prevent corrosion.
5.2 Water Resistance
The LIGE EF12-C is rated IP68 waterproof, meaning it can withstand dust, sweat, and splashes. It is suitable for daily use and can be worn during activities like swimming (shallow water). However, it is not recommended for hot showers, saunas, or diving, as steam and hot water can compromise the seals.

Image: The smartwatch highlighting its military-grade durability, including IP68 water resistance, anti-impact, and temperature resistance.
6. Troubleshooting
6.1 Connectivity Issues
- Watch not connecting to phone: Ensure Bluetooth is enabled on both devices. Restart both the watch and the phone. Try unpairing and re-pairing the device in the app.
- Notifications not appearing: Check app permissions on your phone to ensure the companion app has access to notifications. Verify notification settings within the companion app.
6.2 Battery Life Concerns
- Shorter than expected battery life: Frequent use of features like Bluetooth calls, continuous health monitoring, and high screen brightness can reduce battery life. Adjust settings in the app to optimize.
- Watch not charging: Ensure the charging cable is securely connected and the contacts are clean. Try a different USB power source.
6.3 Display and Performance
- Screen unresponsive: Restart the watch. If the issue persists, ensure the screen is clean and dry.
- Inaccurate health readings: Ensure the watch is worn snugly on your wrist, not too tight or too loose. Avoid excessive movement during readings.
- Watch face glitches: If a custom watch face displays incorrectly, try switching to a different one or re-syncing it from the app.
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | EF12-C |
| Screen Size | 1.75 Inches AMOLED |
| Battery Capacity | 1000 mAh Lithium Polymer |
| Charging Time | Approx. 2 hours |
| Operating Time | 7-15 days (typical usage) |
| Standby Time | Up to 50 days |
| Connectivity | Bluetooth |
| Water Resistance | IP68 |
| Operating System | Android, iOS compatible |
| Product Dimensions | 23.88 x 4.5 x 0.79 cm |
| Weight | 250 g |
8. Warranty and Support
LIGE products are manufactured to high quality standards. For any issues or support inquiries, please refer to the contact information provided with your purchase or visit the official LIGE brand store on Amazon. Keep your purchase receipt for warranty claims.
For further assistance, you may visit the LIGE Store on Amazon.







