Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your LIGE EF19-D Military Smart Watch. Please read this guide thoroughly to ensure proper use and to maximize the features of your device. This smartwatch is designed for robust performance and offers extensive health and fitness tracking capabilities, along with smart communication features.
What's in the Box
- LIGE EF19-D Smart Watch (1 unit)
- Charging cable (2 units)
- Strap adjuster (1 unit)
- Straps (2 units: 1 steel strap, 1 silicone strap)
- User manual (1 unit)

Product Overview
The LIGE EF19-D Smart Watch features a durable design with a 1.85-inch HD touchscreen. It includes multiple physical buttons for navigation and quick access to features, along with a built-in LED flashlight.
Key Components:
- 1.85" HD Touchscreen: For clear display and interactive control.
- Side Buttons: For power, menu access, and navigation.
- LED Flashlight: Integrated on the side for illumination.
- Heart Rate & Blood Oxygen Sensors: Located on the back for health monitoring.
- Charging Contacts: Magnetic contacts on the back for charging.

Setup
1. Charging the Smart Watch
Before first use, fully charge the device. 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). A full charge takes approximately 2.5 hours.

2. App Installation and Pairing
- Scan the QR code in the user manual or on the watch screen to download the 'FitCloudPro' app from your smartphone's app store (compatible with Android 5.1+ and iOS 9.0+).
- Open the 'FitCloudPro' app and follow the on-screen instructions to create an account or proceed as a guest.
- Enable Bluetooth on your smartphone.
- In the app, search for your LIGE EF19-D Smart Watch (identified as 'EF13' in some app interfaces) and select it to pair. Confirm the pairing request on both your phone and watch.
- Allow necessary permissions for notifications, contacts, and call history to ensure full functionality.
3. Adjusting the Strap
The watch comes with two interchangeable straps: a steel strap for formal occasions and a silicone strap for sports or casual wear. Use the provided strap adjuster tool to remove or add links to the steel strap for a comfortable fit. The silicone strap can be easily attached or detached using its quick-release pins.
Operating Instructions
1. Basic Navigation
- Touchscreen: Swipe left/right, up/down to navigate through menus and features. Tap to select.
- Side Buttons: Use for power on/off, returning to the home screen, or accessing specific functions as configured in settings.
- Customizing Watch Faces: The watch supports 200+ online watch faces. You can change them directly on the watch or through the 'FitCloudPro' app. The app also allows for personalized watch faces using your own images.

2. Communication Features
- Bluetooth Calls: Once paired, you can make and answer calls directly from your watch using the built-in speaker and microphone. Access call history and synced contacts.
- Notifications: Receive alerts for incoming calls, SMS, and app messages (e.g., Facebook, WhatsApp, Twitter) directly on your watch.

3. LED Flashlight
Activate the powerful LED flashlight from the watch's menu. It offers various modes including constant-on, warning, and SOS, useful for outdoor activities or emergencies.

4. Sport Modes
Choose from over 120 sport modes, including running, cycling, badminton, and more. The watch tracks your movement, calories burned, distance, and heart rate during workouts. Access workout records through the app.

5. Health Monitoring
- Heart Rate: Continuous 24-hour heart rate monitoring.
- Blood Oxygen: Measures blood oxygen levels.
- Sleep Monitoring: Tracks different sleep stages (deep, light, awake) to help analyze and improve sleep habits.


6. Other Functions
The smartwatch includes various utility features such as weather forecast, voice assistant, alarm clock, timer, music control, camera control, sedentary and drinking water reminders, multi-language switching, phone search, brightness adjustment, and do not disturb mode.

Maintenance
1. Cleaning
Regularly clean your smartwatch and straps to prevent skin irritation and maintain functionality. Use a soft, damp cloth to wipe the watch face and sensors. For silicone straps, mild soap and water can be used. Ensure the watch is dry before wearing.
2. Water Resistance
The LIGE EF19-D is IP68 waterproof, meaning it can withstand dust, dirt, and sand, and is resistant to submersion up to a maximum depth of 1.5m for up to 30 minutes. It is suitable for daily use, hand washing, and light rain. Avoid hot water, steam, or prolonged submersion in water to prevent damage.

3. Battery Care
To prolong battery life, avoid extreme temperatures and fully discharging the battery frequently. Charge the watch when the battery level is low, but do not leave it charging for extended periods after it's full.
Troubleshooting
- Watch not turning on: Ensure the watch is fully charged. Connect it to the charger for at least 30 minutes.
- Unable to pair with phone: Make sure Bluetooth is enabled on your phone and the watch is within range. Restart both devices and try pairing again. Check app permissions.
- Notifications not received: Verify that app notifications are enabled in your phone's settings and within the 'FitCloudPro' app. Ensure the app is running in the background.
- Inaccurate health data: Ensure the watch is worn snugly on your wrist, with the sensors making proper contact with your skin. Avoid excessive movement during measurements.
- Screen unresponsive: Restart the watch by holding down the power button. If the issue persists, contact customer support.
Specifications
| Feature | Specification |
|---|---|
| Brand | LIGE |
| Model | EF19-D |
| Display Size | 1.85 Inches |
| Display Resolution | 360 x 360 |
| Battery Capacity | 1000 Milliamp Hours (mAh) |
| Charging Time | 2.5 Hours |
| Typical Usage Battery Life | 20-30 Days |
| Water Resistance | IP68 |
| Operating System | AsteroidOS |
| Memory Storage Capacity | 128 MB |
| Connectivity | Bluetooth |
| Compatible Devices | Android 5.1+ / iOS 9.0+ |
| Special Features | Activity Tracker, Phone Call, Touchscreen, LED Flashlight, 120+ Sport Modes, Health Monitoring (Heart Rate, Blood Oxygen, Sleep) |
| Military Standard | MIL-STD-810H (Temperature, Anti-Impact, Dust-proof, Anti-Fluid Corrosion, Scratch Resistant) |
Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the contact details provided with your purchase documentation or visit the official LIGE website. Keep your proof of purchase for warranty claims.





