Introduction
Thank you for choosing the LIGE Smartwatch EF12-C. This manual provides detailed instructions for setting up, operating, and maintaining your new smartwatch. Please read this manual thoroughly to ensure proper use and to fully utilize all features of your device.
The LIGE EF12-C is a versatile smartwatch designed for daily use and sports activities. It features a 1.75-inch HD display, Bluetooth calling capabilities, a powerful 1000mAh battery, and comprehensive health monitoring functions.
What's in the Box
Upon unboxing, please verify that all the following items are included:
- Smartwatch (EF12-C) x1
- Watch Straps x3 (typically includes metal and silicone options)
- Charging Cable x1
- Product Manual x1
- Strap Adjustment Tool x1 (for metal straps)
Setup
1. Charging the Smartwatch
Before first use, fully charge your smartwatch. Connect the magnetic charging cable to the charging points on the back of the watch and plug the USB end into a standard USB power adapter (not included). A full charge typically takes approximately 2 hours.

Image: The smartwatch connected to its magnetic charging cable, illustrating the 1000mAh battery capacity and charging process.
2. Installing the App and Pairing
- Download the App: Scan the QR code provided in the product manual or search for the designated companion app (e.g., 'Da Fit' or similar, as indicated in your specific manual) on your smartphone's app store (Google Play Store for Android, Apple App Store for iOS).
- Enable Bluetooth: Ensure Bluetooth is enabled on your smartphone.
- Open the App: Launch the installed app and follow the on-screen instructions to create an account and grant necessary permissions.
- Pair the Device: Within the app, navigate to the device pairing section. The app will search for available devices. Select 'EF12-C' or the corresponding device name to connect. Confirm the pairing request on both your phone and the smartwatch.
3. Adjusting the Watch Strap
If your smartwatch comes with a metal strap, use the provided strap adjustment tool to remove or add links for a comfortable fit. Note that the pins holding the links are conical and should be pushed out from the side with a visible slot or indentation. Ensure the strap is securely fastened before wearing.
Operating Instructions
Basic Navigation
- Touchscreen: Swipe left/right, up/down to navigate through menus and features. Tap to select.
- Side Buttons: The smartwatch typically has one or more physical buttons. Refer to your specific manual for button functions, which usually include power on/off, return to home screen, or quick access to sports modes.
Bluetooth Calling
With the integrated speaker and high-resolution microphone, you can make and receive calls directly from your smartwatch once paired with your phone.
- Making Calls: Access the dial pad or contact list on the 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 and options to answer or decline, demonstrating Bluetooth call functionality.
Message Notifications
The smartwatch can display real-time SMS and social media notifications (e.g., WhatsApp, Twitter, Facebook) from your connected smartphone. Ensure app notifications are enabled in the companion app settings.

Image: The smartwatch screen showing message notifications from various social media applications.
Voice Assistant
Activate your smartphone's voice assistant (e.g., Siri, Google Assistant) directly from the smartwatch to perform tasks like making calls, playing music, or checking the weather.

Image: A user interacting with the smartwatch's voice assistant feature, demonstrating voice commands for various functions.
LED Flashlight
The smartwatch is equipped with a powerful LED flashlight, providing illumination for up to 6-8 meters. This feature is useful for outdoor activities at night or in emergency situations.
- Activation: Access the flashlight function through the watch's menu.
- Modes: It may offer different modes such as continuous light, warning mode, or SOS mode.

Image: The smartwatch's LED flashlight illuminating dark environments, showcasing its utility in different modes like continuous, warning, and SOS.
Health Monitoring
The LIGE EF12-C smartwatch is equipped with high-performance optical sensors to monitor various health metrics:
- Heart Rate Monitoring: Tracks your heart rate 24/7.
- Blood Oxygen (SpO2) Monitoring: Measures your blood oxygen saturation levels.
- Sleep Tracking: Monitors your sleep patterns, including deep sleep, light sleep, and awake times, to help you understand and improve your sleep quality.
- Breath Training: Guided breathing exercises to help manage stress.
- Sedentary Reminder: Reminds you to move after periods of inactivity.
- Water Intake Reminder: Prompts you to drink water regularly.
Note: This device is not intended for medical use. Health data provided is for reference only and should not be used for diagnosis or treatment.

Image: The smartwatch interface showing real-time data for heart rate, blood oxygen, sleep duration, and breath training.

Image: The smartwatch tracking sleep stages (deep, light, awake) and providing a daily sleep report.
Sports Modes
The smartwatch offers over 110 sports modes to cater to various exercise routines. It records key metrics during your workouts, including calories burned, steps taken, and distance covered, helping you track progress and achieve fitness goals.
- Available Modes: Walking, running, cycling, badminton, and many more.
- Data Tracking: View real-time exercise data on the watch and detailed reports in the companion app.

Image: A user engaged in outdoor activity, with the smartwatch displaying calories, steps, and distance tracked during a workout.

Image: The smartwatch interface showcasing a selection of over 120 sports modes and real-time exercise metrics like duration, steps, calories, and heart rate.
Customization
Watch Faces
Personalize your smartwatch with over 200 online watch faces available through the companion app. You can also create custom watch faces using your own photos.

Image: A collection of diverse watch faces available for the smartwatch, along with an illustration of the DIY watch face customization feature.

Image: The smartwatch displaying a personalized watch face, with a smartphone screen showing the app interface for selecting and customizing watch faces.
Battery Information
The LIGE EF12-C is equipped with a 1000mAh high-capacity battery, offering extended usage times.
- Standby Time: Up to 50 days.
- Daily Use: 15-20 days (actual usage may vary).
- Charging Time: Approximately 2 hours.

Image: The smartwatch emphasizing its 1000mAh battery, with a comparison of its standby and daily use times against standard smartwatches.
Maintenance
To ensure the longevity and optimal performance of your LIGE Smartwatch EF12-C, follow these maintenance guidelines:
- Water Resistance: The watch has an IP68 daily waterproof rating, meaning it can withstand splashes, hand washing, and rain. Avoid hot water, saunas, or diving, as these can compromise the seal.
- Cleaning: Regularly clean the watch screen and strap with a soft, dry cloth. If necessary, use a slightly damp cloth for the strap, then dry thoroughly.
- Avoid Chemicals: Do not expose the watch to harsh chemicals, detergents, or solvents, as these can damage the materials.
- Storage: Store the watch in a cool, dry place when not in use.
- Charging: Use only the provided charging cable. Ensure the charging contacts are clean and dry before charging.
Troubleshooting
If you encounter issues with your LIGE Smartwatch EF12-C, refer to the following common solutions:
- Watch not turning on: Ensure the watch is fully charged. Connect it to the charger for at least 30 minutes.
- Cannot pair with phone:
- Ensure Bluetooth is enabled on your phone and the watch.
- Make sure the watch is within the Bluetooth range of your phone.
- Restart both your phone and the smartwatch.
- Clear the app's cache or reinstall the companion app.
- Notifications not received:
- Check if notifications are enabled in the companion app settings.
- Ensure the app has all necessary permissions on your phone.
- Verify that 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 optical sensors on the back of the watch.
- Avoid excessive movement during measurements.
- Short battery life:
- Reduce screen brightness.
- Disable unnecessary features like 'Always-On Display'.
- Limit frequent use of power-intensive features like Bluetooth calls.
- App is slow or drains phone battery: Some users have reported the app can be resource-intensive. Ensure your phone meets the app's requirements and close other background applications if performance is affected.
Specifications
| Model Number | EF12-C |
| Brand | LIGE |
| Screen Size | 1.75 Inches |
| Display Resolution | 360*360 HD |
| Battery Capacity | 1000 mAh Lithium-Polymer |
| Connectivity | Bluetooth |
| Operating System | Android (compatible with Android/iOS smartphones) |
| Water Resistance | IP68 (Daily Waterproof) |
| Special Features | Bluetooth Calling, LED Flashlight, Heart Rate Monitor, Blood Oxygen Monitor, Sleep Tracker, 110+ Sports Modes, Voice Assistant, Message Notifications, Music Control, Camera Control, Alarm, Stopwatch, Sedentary Reminder, Water Reminder, Customizable Watch Faces |
| Memory Storage Capacity | 128 MB |
| GPS | No built-in GPS |
Warranty and Support
Warranty Information
The LIGE Smartwatch EF12-C comes with a 2-year manufacturer's warranty, covering product maintenance. Please retain your proof of purchase for warranty claims.
Customer Support
For any questions or issues regarding your product, LIGE offers 24-hour customer assistance. Please refer to the contact information provided in your product packaging or on the official LIGE website for support.





