Introduction
Welcome to the user manual for your LIGE EF12-I Smartwatch. This guide provides essential information on setting up, operating, and maintaining your device. Please read this manual thoroughly to ensure proper use and to fully utilize all features of your smartwatch.
Package Contents
Verify that all items are present in your package:
- Smartwatch (1 unit)
- Watch straps (3 units)
- Charging cable (1 unit)
- Product manual (1 unit)
Setup
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 power adapter (not included) or a computer's USB port. A full charge typically takes approximately 2.5 hours.

Image: The LIGE EF12-I Smartwatch being charged, illustrating its 1000mAh battery capacity and charging process.
2. Powering On/Off
- To Power On: Press and hold the side power button until the screen lights up.
- To Power Off: Press and hold the side power button, then select 'Power Off' on the screen.
3. App Installation and Pairing
To unlock the full potential of your smartwatch, download the companion application on your smartphone. The app is compatible with both Android and iOS devices.
- Scan the QR code in the manual or on the watch screen, or search for the app name (usually indicated in the quick start guide) in your phone's app store.
- Install the application and create an account if prompted.
- Enable Bluetooth on your smartphone.
- Open the app, navigate to 'Device' or 'Add Device', and select your LIGE EF12-I Smartwatch from the list of available devices.
- Follow the on-screen prompts to complete the pairing process. Ensure the pairing code displayed on the watch matches the one on your phone.
Operating Instructions
1. Basic Navigation
- Touch Screen: Swipe left, right, up, or down to navigate through menus and features. Tap to select an option.
- Side Buttons: Use the physical buttons for quick access to functions like power on/off, returning to the home screen, or accessing specific modes.

Image: Overview of the LIGE EF12-I Smartwatch display, highlighting its 1.75-inch HD screen, resolution, and integrated LED flashlight modes.
2. Bluetooth Calling and Notifications
Once paired with your smartphone, you can make and receive calls directly from your smartwatch and receive real-time notifications.
- Making Calls: Access the 'Phone' or 'Dialer' function on your watch to dial numbers or select contacts.
- Receiving Calls: When a call comes in, you can answer or reject it directly from the watch screen.
- Notifications: The watch will display incoming SMS messages and notifications from social media applications (e.g., WhatsApp, Twitter, Facebook) configured in the companion app.

Image: The smartwatch demonstrating Bluetooth call functionality and displaying message notifications from various applications.
3. Sports Modes
The smartwatch supports over 110 sports modes to track your physical activities. These modes help monitor calories burned, distance covered, and steps taken during your workouts.
- Access the 'Sports' menu on your watch.
- Select your desired activity (e.g., running, cycling, hiking, basketball, badminton).
- Start your workout, and the watch will begin recording data.
- End your workout to save the data, which can be viewed in detail on the companion app.

Image: The smartwatch interface showing active sports tracking, including metrics like calories, steps, and distance, alongside icons for different sports.
4. Health Monitoring
Your smartwatch provides 24/7 health monitoring features to help you stay informed about your well-being.
- Heart Rate: Continuously monitors your heart rate throughout the day.
- Blood Oxygen: Measures your blood oxygen saturation levels.
- Sleep Tracking: Analyzes your sleep patterns, including deep sleep, light sleep, and wake times.
- Breathing Training: Guides you through breathing exercises for relaxation.
Note: This device is not a medical device. Health data is for reference only and should not be used for medical diagnosis or treatment.

Image: The smartwatch interface showing various health monitoring functions, including heart rate, blood oxygen, sleep, and breathing.
5. LED Flashlight
The smartwatch features a powerful LED flashlight, providing 6-8 meters of illumination. It includes different modes for various situations:
- Continuous Mode: For general illumination.
- Warning Mode: A flashing light for attention.
- SOS Mode: Emits an SOS signal in emergencies.
Access the flashlight function from the watch's quick settings or main menu.
6. Customizing Watch Faces
Personalize your smartwatch with over 200 available watch faces or create your own using the DIY watch face feature.
- Pre-installed Faces: Long-press the watch screen to browse and select different watch faces.
- App Store Faces: Use the companion app to download additional watch faces.
- DIY Watch Faces: Upload your favorite photos through the app to set them as your watch background.

Image: A selection of watch faces available for the LIGE EF12-I Smartwatch, including the DIY customization feature.
7. Other Features
- Music Player Control: Control music playback on your smartphone (play, pause, skip tracks).
- Remote Camera Control: Use your watch as a remote shutter for your phone's camera.
- Sedentary Reminder: Get alerts to move after periods of inactivity.
- Water Reminder: Receive reminders to drink water.
- Alarm Clock: Set alarms directly from your watch.
- Always-On Display: Keep the time visible on your screen.
Maintenance
1. Cleaning
Regularly clean your smartwatch and straps to prevent skin irritation and maintain performance.
- Wipe the screen and body with a soft, lint-free cloth.
- For stubborn dirt, slightly dampen the cloth with water. Avoid using harsh chemicals or abrasive materials.
- Ensure the watch is completely dry before charging or prolonged use.
2. Water Resistance (IP68)
The LIGE EF12-I Smartwatch is IP68 water-resistant, meaning it is protected against dust and can withstand immersion in water up to 1.5 meters for a limited time.
- It is suitable for daily use, such as washing hands, rain, and splashes.
- Do not use the watch for swimming, diving, hot showers, or in saunas. Exposure to hot water or steam can compromise the water seal.
- If the watch gets wet, wipe it dry before charging or using the buttons.
3. Battery Care
- Avoid fully discharging the battery frequently.
- Store the watch in a cool, dry place when not in use for extended periods.
- Use only the provided charging cable.
Troubleshooting
If you encounter issues with your smartwatch, refer to the following common solutions:
| Problem | Solution |
|---|---|
| Watch does not turn on | Ensure the watch is fully charged. Press and hold the power button for at least 10 seconds. |
| Cannot pair with smartphone | Ensure Bluetooth is enabled on your phone. Restart both the watch and phone. Make sure the watch is within range. Check the companion app for pairing instructions. |
| Notifications not received | Check app permissions on your phone to ensure the companion app has access to notifications. Verify notification settings within the app. Ensure the watch is connected via Bluetooth. |
| Inaccurate health data | Ensure the watch is worn snugly on your wrist, not too tight or too loose. Clean the sensor on the back of the watch. Avoid excessive movement during measurements. |
| Short battery life | Reduce screen brightness, disable unnecessary features like continuous heart rate monitoring if not needed, and limit frequent screen wake-ups. Ensure the watch is fully charged. |
Specifications
Key technical specifications for the LIGE EF12-I Smartwatch:
| Feature | Detail |
|---|---|
| Model Number | EF12-I |
| Operating System | AsteroidOS |
| Screen Size | 1.75 Inches |
| Display Type | LED |
| Resolution | 360 x 360 |
| Battery Capacity | 1000 mAh (Lithium-polymer) |
| Average Battery Life | 7 days (daily use) |
| Charging Time | 2.5 hours |
| Memory Storage | 128 MB |
| Connectivity | Bluetooth |
| GPS | No |
| Water Resistance | IP68 (up to 1.5 meters) |
| Case Material | Metal |
| Band Material | Silicone |
| Compatible Devices | Android, iOS Smartphones |
| Special Features | Bluetooth Call, 110+ Sports Modes, Heart Rate Monitor, Sleep Tracker, LED Flashlight, Notifications, Music Control, Remote Camera, Sedentary/Water Reminders, Customizable Watch Faces |
Warranty and Support
1. Warranty Information
The LIGE EF12-I Smartwatch comes with a 2-year manufacturer's warranty. This warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or failure to follow the instructions in this manual.
Please retain your proof of purchase for warranty claims.
2. Contact Support
For technical assistance, warranty claims, or any questions not covered in this manual, please contact LIGE customer support through the retailer where you purchased the product or visit the official LIGE website for contact information.