1. Introduction
This manual provides detailed instructions for the LIGE Military Smart Watch AS0423B. Please read this manual thoroughly before using the device to ensure proper operation and to maximize its features. Keep this manual for future reference.
2. Package Contents
Verify that all items are present in the package:
- LIGE Smart Watch (Model AS0423B)
- Magnetic Charging Cable
- Instruction Manual
3. Product Overview
The LIGE Military Smart Watch AS0423B features a rugged design with a 1.6-inch HD round screen. It includes physical buttons for navigation and a touch-sensitive display for interactive control. The watch is designed for durability and functionality in various environments.

Image: Front view of the LIGE Military Smart Watch AS0423B, showing the main watch face with digital time, date, heart rate, and step tracking. A smaller inset image shows the watch displaying an incoming call.
4. Setup
4.1. Charging the Device
Before initial use, fully charge the smart watch. Connect the magnetic charging cable to the charging points on the back of the watch and plug the USB end into a 5.0V/1A (or below 1A) power adapter. A full charge typically takes approximately 2 hours.
4.2. App Installation
To access all features and synchronize data, download and install the FitCloudPro application on your smartphone. The app is compatible with Android 5.0 and above, and iOS 10.0 and above, requiring Bluetooth 4.0 or higher.
- Scan the QR code provided in the quick start guide or search for "FitCloudPro" in your smartphone's app store (Google Play Store for Android, Apple App Store for iOS).
- Install the application.
4.3. Device Pairing
After installing the app, pair your smart watch with your smartphone:
- Ensure Bluetooth is enabled on your smartphone.
- Open the FitCloudPro app and follow the on-screen instructions to add a new device.
- Select the LIGE AS0423B from the list of available devices.
- Confirm the pairing request on both your watch and smartphone.
5. Operating Instructions
5.1. Basic Navigation
- Touchscreen: Swipe left/right, up/down to navigate through menus and features. Tap to select.
- Physical Buttons: Use the side buttons for power on/off, returning to the main screen, or quick access to specific functions as configured.
5.2. Bluetooth Calling
The watch supports Bluetooth calls, allowing you to make and receive calls directly from your wrist when connected to your smartphone.

Image: The LIGE Military Smart Watch worn on a wrist, showing an active call interface with caller ID and call duration.

Image: The watch screen showing options for Bluetooth calling, including a dial pad, call records, and contact list. This allows for hands-free communication.
- Making Calls: Access the dial pad or contacts list on the watch to initiate a call.
- Receiving Calls: When a call comes in, the watch will display the caller ID. You can answer or reject the call directly from the watch.
- Quick Contacts: Add frequently used contacts through the FitCloudPro app for quick access on the watch.
5.3. Health Monitoring
The watch provides continuous health monitoring features. Data is synchronized with the FitCloudPro app for detailed analysis.

Image: Four distinct watch screens illustrating health monitoring functions: real-time heart rate, blood oxygen saturation (SpO2), blood pressure, and sleep pattern analysis (deep, shallow, wake times).
- Heart Rate Monitoring: Tracks your heart rate 24/7.
- SpO2 Monitoring: Measures blood oxygen levels.
- Sleep Monitoring: Records sleep stages (deep, shallow, wake) to help assess sleep quality.
- Drink Reminder & Sedentary Reminder: Configurable reminders to encourage healthy habits.
Note: Health data provided by this device is for reference only and should not be used for medical diagnosis or treatment.
5.4. Sports Modes
The watch supports 22 indoor and outdoor sports modes to track your physical activity.

Image: The watch screen showing a list of sports modes, including cycling, mountaineering, and rope skipping, with icons representing each activity. This highlights the multi-sport tracking capability.
- Activity Tracking: Records steps, calories burned, distance, and activity time.
- GPS Connection: Connects with your smartphone's GPS for accurate route tracking during outdoor activities.
- Stopwatch: Use the built-in stopwatch for timing workouts.
5.5. Other Smart Features
The watch offers additional functionalities to enhance daily convenience.

Image: Four watch screens demonstrating additional features: an alarm clock reminder set for 5 minutes, music playback controls (play/pause, skip), current weather forecast (24°C), and a timer function.
- Notifications: Receive alerts for incoming calls, messages, and app notifications.
- Alarm Clock: Set alarms directly from the watch or app.
- Music Control: Control music playback on your smartphone (play, pause, skip tracks).
- Weather Forecast: Displays current weather conditions when connected to your phone.
- Timer: A convenient countdown timer function.
- Watch Faces: Choose from 8 pre-installed dials or over 250+ available in the FitCloudPro app. You can also customize your own wallpaper.
6. Water Resistance (IP68)
The LIGE Military Smart Watch AS0423B has an IP68 water resistance rating, meaning it is protected against dust ingress and can withstand immersion in water up to 1.5 meters for up to 30 minutes.

Image: The LIGE Military Smart Watch shown with water droplets, emphasizing its IP68 life waterproof capability for daily use like washing hands or getting caught in the rain.
- Suitable for daily waterproof use such as washing hands or exposure to rain.
- Important: Do not immerse the watch in water for extended periods, or use it in hot water, saunas, or steam rooms, as this may compromise the water seal.
7. Maintenance
- Cleaning: Regularly wipe the watch and strap with a soft, dry cloth. If necessary, use a slightly damp cloth and dry thoroughly.
- Avoid Chemicals: Do not use harsh chemicals, cleaning solvents, or strong detergents, as these can damage the watch's finish and seals.
- Storage: Store the watch in a cool, dry place when not in use.
- Charging Contacts: Keep the magnetic charging contacts clean and free of debris to ensure efficient charging.
8. Troubleshooting
- Watch not turning on: Ensure the watch is fully charged. Connect it to the charger for at least 10 minutes.
- Cannot pair with smartphone:
- Ensure Bluetooth is enabled on your phone and the watch.
- Make sure the watch is within the Bluetooth range of your phone.
- Restart both the watch and your phone, then try pairing again.
- Check if the FitCloudPro app has necessary permissions on your phone.
- 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.
- Remember that these are not medical devices; readings are for reference.
- Notifications not received:
- Verify that the watch is connected to the FitCloudPro app.
- Check notification settings within the FitCloudPro app and your phone's system settings.
- Ensure the app is running in the background and not being closed by battery optimization settings.
- Short battery life:
- Frequent use of features like Bluetooth calling, continuous heart rate monitoring, and screen brightness can reduce battery life.
- Adjust settings in the app to optimize battery consumption.
9. Specifications
| Feature | Specification |
|---|---|
| Brand | LIGE |
| Model | AS0423B |
| Display | 1.6-inch IPS Round Screen, 360x360 Resolution |
| Main Chip | RTL8762DT+JL |
| Memory | SRAM: 128K, SPI FLASH: 128M |
| Sensors | G-sensor (SC7A20), Heart Rate Sensor (HRS3300) |
| Battery Type | Polymer Battery |
| Battery Capacity | 600 mAh |
| Charging Method | Magnetic Charging (5.0V, 1A or below) |
| Charging Time | Approx. 2 hours |
| Typical Usage Battery Life | 3-5 days (up to 15 days standby) |
| Bluetooth Version | Bluetooth 5.0 |
| Water Resistance | IP68 |
| Compatible Systems | Android 5.0+ (with Bluetooth 4.0+), iOS 10.0+ |
| App Name | FitCloudPro |
| Dimensions | 28.5 x 5.2 x 1.4 cm |
| Weight | 190 g |
10. Warranty and Support
LIGE offers a 24-month worry-free product warranty, which includes replacement, return, or repair services. If you encounter any issues with your LIGE Military Smart Watch AS0423B, please contact customer support. We aim to provide a satisfactory solution within 24 hours.
For support, please refer to the contact information provided with your purchase or visit the official LIGE website.







