1. Introduction
This manual provides comprehensive instructions for the LIGE EF5-L-ZSX Military Smartwatch. Please read this manual carefully before using the device to ensure proper operation and to maximize its features. Keep this manual for future reference.

Image 1.1: The LIGE EF5-L-ZSX Military Smartwatch, showcasing its robust design and various screen functionalities including heart rate monitoring, message notifications, and app icons.
2. Package Contents
Verify that all items are present in the package:
- LIGE EF5-L-ZSX Smartwatch x 1
- Black Stainless Steel Strap x 1
- Black Silicone Strap x 1
- Black Leather Strap x 1
- Charger Cable & Strap Adjuster Tool x 1
3. Product Overview
The LIGE EF5-L-ZSX smartwatch features a durable design with a stainless steel bezel and PC-ABS alloy case back. It is equipped with a 1.43-inch AMOLED display for clear visuals and multiple physical buttons for navigation and function access.
3.1 Key Components
- Display: 1.43-inch AMOLED touchscreen with 466x466 resolution.
- Buttons: Dedicated buttons for 'Sport', 'Heart', 'Power', and 'Back' functions.
- Flashlight: Integrated LED flashlight for illumination.
- Sensors: Biometric sensors for health monitoring.
- Speaker & Microphone: For Bluetooth calling functionality.
4. Setup
4.1 Charging the Smartwatch
Before initial use, fully charge the 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). A full charge typically takes approximately 3 hours.

Image 4.1: The smartwatch connected to its charging cable, showing a charging animation on the screen and indicating its 530mAh battery capacity.
4.2 App Installation and Device Pairing
To access all features, install the companion application on your smartphone. The smartwatch is compatible with Android 4.4+ and iOS 8.0+ devices.
- Scan the QR code provided in the product packaging or search for the designated app in your smartphone's app store.
- Install the application.
- Ensure Bluetooth is enabled on your smartphone.
- Open the app and follow the on-screen instructions to pair your LIGE EF5-L-ZSX smartwatch. The device uses Bluetooth 5.0 for stable connections.
4.3 Strap Installation and Adjustment
The smartwatch comes with three interchangeable straps: stainless steel, silicone, and leather. Use the included strap adjuster tool for the stainless steel strap if resizing is needed.
- To attach a strap, align the spring bar with the lug holes on the watch case and slide the pin into place.
- To remove a strap, pull the spring bar lever and gently detach the strap from the watch case.
5. Operating Instructions
5.1 Basic Navigation
- Touchscreen: Swipe left, right, up, or down to navigate through menus and features. Tap to select.
- Power Button: Press to wake/sleep the screen, long press to power on/off.
- Back Button: Press to return to the previous screen.
5.2 Bluetooth Calling and Message Notifications
Once paired with your smartphone, the smartwatch allows you to manage calls and view notifications directly on your wrist.
- Answering/Making Calls: Use the built-in speaker and noise-cancelling microphone to answer, make, or end calls.
- Notifications: Receive alerts for SMS, Facebook, WhatsApp, Twitter, TikTok, and other applications.
- This feature can be disabled in the watch settings if not desired.

Image 5.2: The smartwatch screen showing an incoming call and various social media notification icons, demonstrating its Bluetooth call and smart notification capabilities.
5.3 Flashlight Function
The integrated LED flashlight provides illumination for various situations.
- Activation: Access the flashlight function through the watch's menu or a dedicated shortcut.
- Range: Provides an illumination distance of 6-8 meters.
- Can be used as a backup light source or for sending distress signals.

Image 5.3: The smartwatch's side-mounted flashlight emitting a bright beam, illustrating its utility in dark environments during outdoor activities.
5.4 Health Monitoring
The smartwatch is equipped with biometric sensors for health tracking.
- Heart Rate Monitoring: Provides 24/7 heart rate tracking.
- SpO2 Monitoring: Measures blood oxygen levels.
- Sleep Tracking: Monitors sleep duration and stages (deep sleep, light sleep, awake time).
- View detailed health data in the companion app.

Image 5.4: The smartwatch screen showing a heart rate graph and sleep monitoring data, including deep sleep, light sleep, and awake times.
5.5 Sport Modes
The smartwatch supports over 100 sport modes for various activities.
- Select a sport mode before starting an activity to track relevant metrics such as heart rate, duration, distance, and calories burned.
- Data is synchronized with the companion app for detailed analysis.

Image 5.5: The smartwatch displaying activity metrics like distance, calories, and steps, with a user engaged in hiking, illustrating its sport tracking capabilities.
5.6 Customizing Watch Faces
Personalize your smartwatch with a variety of watch faces.
- Choose from over 200 pre-installed watch faces.
- Upload your own pictures through the companion app to create custom watch faces.

Image 5.6: A collage of different watch faces available on the LIGE EF5-L-ZSX smartwatch, demonstrating customization options.
5.7 Other Features
The smartwatch includes additional functionalities for convenience:
- AI Voice Assistant: Control your device using voice commands.
- Weather Forecast: Get real-time weather updates.
- Stopwatch & Alarm Clock: Essential timekeeping tools.
- Music Control: Manage music playback on your smartphone.
- Camera Control: Remotely trigger your smartphone's camera.
- Find Phone: Locate your paired smartphone.
- Drink Reminder & Sedentary Reminder: Promote healthy habits.
6. Maintenance
6.1 Cleaning
Regularly clean your smartwatch to maintain its appearance and functionality.
- Wipe the screen and case with a soft, lint-free cloth.
- Avoid using harsh chemicals or abrasive materials.
- Ensure charging contacts are clean and dry.
6.2 Water Resistance
The LIGE EF5-L-ZSX smartwatch is 5ATM waterproof and IP68 rated, suitable for swimming, showering, and handwashing.
- Avoid exposure to hot water, steam, or saltwater, as these can compromise the water resistance.
- Do not operate buttons underwater.
- Dry the watch thoroughly after exposure to water.

Image 6.2: A person swimming while wearing the smartwatch, illustrating its 5ATM and IP68 water-resistance rating for various water activities.
6.3 Battery Care
The smartwatch features a 530mAh battery designed for extended use.
- Working Time: 6-10 days on a single charge.
- Standby Time: Up to 45 days.
- To prolong battery life, avoid extreme temperatures and use only the provided charging cable.
7. Troubleshooting
If you encounter issues with your smartwatch, refer to the following common solutions:
| Problem | Solution |
|---|---|
| Watch does not power on | Ensure the watch is fully charged. Connect to the charger for at least 30 minutes. |
| Unable to pair with smartphone | Ensure Bluetooth is enabled on your phone. Restart both the watch and phone. Check app permissions. |
| Inaccurate health data | Ensure the watch is worn snugly on your wrist. Clean the sensor on the back of the watch. |
| Short battery life | Reduce screen brightness, disable unnecessary notifications, and limit continuous heart rate monitoring. |
8. Specifications
Key technical specifications for the LIGE EF5-L-ZSX Smartwatch:
- Model Number: EF5-L-ZSX
- Display: 1.43-inch AMOLED, 466 x 466 resolution
- Battery Capacity: 530 mAh Lithium Polymer
- Connectivity: Bluetooth 5.0
- Operating System: Android Wear 1.0 (compatible with Android 4.4+ and iOS 8.0+)
- Water Resistance: 5ATM, IP68
- Special Features: Always On Display, Voice Call, Calorie Tracker, 126 Sports Modes, 300+ DIY Dials, Message Notification, AI Voice Control, Sleep Monitor, Heart Rate Monitor, Weather Forecast, Music Player, LED Flashlight.
- Item Weight: 7.1 ounces (200 grams)
- Memory Storage Capacity: 256 MB
- RAM Memory Installed Size: 128 MB

Image 8.1: The smartwatch highlighting its military-grade standard features, including anti-impact, dustproof, harsh condition resistance, anti-fluid corrosion, and 5ATM waterproof rating.
9. Warranty and Support
Your LIGE EF5-L-ZSX Smartwatch comes with a warranty and dedicated customer support.
- Warranty: 24 months from the date of purchase.
- Customer Support: If you have any questions or require assistance, please contact our customer service team. We aim to provide a satisfactory response within 24 hours.







