Introduction
The LIGE DM4-A1-US GPS Smart Watch is designed to provide comprehensive health monitoring, fitness tracking, and smart functionalities. Featuring a 1.43-inch AMOLED display, built-in GPS, compass, LED flashlight, and over 170 sports modes, this device is suitable for various activities and daily use. It is compatible with both Android and iOS devices.

Image: The LIGE DM4-A1-US Smart Watch showcasing its main display with time, steps, calories, and weather, along with smaller insets demonstrating incoming calls, AMOLED display, and GPS route tracking.
What's in the Box
Upon opening the package, verify that all the following items are included:
- LIGE DM4-A1-US Smart Watch
- Leather Strap
- Silicone Strap
- Strap Accessories
- Charging Cable
- User's Manual
Setup Guide
1. Charging the Device
Before initial use, fully charge the smart watch. Connect the charging cable to the watch's charging port and a compatible USB power source. A full charge typically takes approximately 2.5 hours.
2. App Installation and Pairing
To access all features and synchronize data, download the GloryFitPro application on your smartphone.
- Turn on Bluetooth on your smartphone.
- Scan the QR code provided in the watch interface or search for "GloryFitPro" in your device's app store (Apple App Store or Google Play Store).
- Install and open the GloryFitPro app.
- In the app, navigate to "Device" and select "Add Device".
- Find "DM4" or "DM3" in the list of available devices and tap "CONNECT".
- A pairing request will appear on your phone. Click "PAIR" and confirm.
- Grant necessary permissions for notifications within the app.
- On the watch, enable "Call Audio" if you wish to use the watch for Bluetooth calls.

Image: Visual guide demonstrating the pairing process of the LIGE Smart Watch with a smartphone using the GloryFitPro application, including Bluetooth activation, app download, device connection, and permission settings.
Download the GloryFitPro app here: GloryFitPro App Download
Operating Instructions
1. Display and Navigation
The watch features a 1.43-inch AMOLED HD display, offering clear visuals. Navigate through menus by swiping across the screen and tapping icons. The watch supports an Always-On Display (AOD) feature, which can be customized via the GloryFitPro app.

Image: The LIGE Smart Watch highlighting its 1.43-inch AMOLED HD display, emphasizing color accuracy and wide color gamut.
2. GPS and Outdoor Features
The DM4-A1-US includes built-in GPS and supports multiple satellite systems (GLONASS, Beidou, Galileo, NAVIC, QZSS) for accurate route tracking during outdoor activities. It also features a compass, altimeter, and barometric pressure sensor.
- GPS Tracking: Activates automatically during outdoor sports modes. It records your route, speed, and distance. Note: GPS route tracking should be activated in open areas for optimal performance. The watch's GPS can record and track activity paths but does not provide navigation or map drawing.
- Compass: Provides accurate directional readings.
- Altitude: Tracks your current altitude and displays trends.
- Barometric Pressure: Measures current air pressure and shows changes.

Image: The LIGE Smart Watch showing a recorded GPS route on its display, alongside a smartphone screen detailing distance, duration, pace, and heart rate for a cycling activity.

Image: The LIGE Smart Watch showcasing its outdoor features: a compass displaying direction and degrees, an altimeter showing current altitude and calibration, and a barometric pressure gauge.
3. LED Flashlight
The watch is equipped with a powerful LED flashlight function. This can be activated quickly via a dedicated button or through the watch's menu, providing illumination in various situations such as camping, power outages, or finding objects in the dark.
Caution: Do not direct the light towards eyes.
Image: The LIGE Smart Watch with its LED flashlight illuminated, demonstrating its utility in scenarios like outdoor activities at night, during a power outage, and for finding items.
4. Health Monitoring
The watch provides 24/7 health monitoring capabilities using precise sensors. This includes heart rate tracking and sleep monitoring.
- Heart Rate Monitoring: Continuously tracks your heart rate, helping you monitor your activity levels.
- Sleep Tracking: Records deep sleep, light sleep, and awake times to help assess and improve sleep quality.

Image: The LIGE Smart Watch showing real-time heart rate data and a detailed sleep tracking graph, illustrating deep, light, and REM sleep stages.
5. Sports Modes
With over 170 sports modes, the watch tracks various activities such as running, cycling, hiking, swimming, and yoga. Each mode provides specific parameters for accurate performance monitoring, including real-time tracking of route, speed, distance, and calorie burn.

Image: The LIGE Smart Watch interface showing a selection of over 170 sports modes, with an inset displaying heart rate, calories, steps, and distance metrics during an activity.
6. Bluetooth Calling and Smart Features
Once paired with your smartphone, the watch supports Bluetooth calling, allowing you to answer or make calls directly from your wrist. It also integrates with a smart voice assistant and provides instant message reminders.
- Bluetooth Calls: Answer or dial calls directly from the watch. Requires "Call Audio" to be enabled on the watch during setup.
- Voice Assistant: Interact with your phone's voice assistant via the watch.
- Notifications: Receive alerts for messages and app notifications.
- Other Functions: Includes calculator, world clock, music control, camera control, and a "Find My Phone" feature.

Image: The LIGE Smart Watch showing an incoming call interface and a voice assistant prompt, illustrating its communication and smart functionalities.
7. Customizable Watch Faces
The watch offers a wide variety of watch faces to suit different preferences. You can switch between pre-installed styles or download over 200 additional watch faces through the GloryFitPro app. Custom watch faces using your own photos are also supported.

Image: The LIGE Smart Watch showcasing its customizable watch face options, including Always-On Display settings and a gallery of downloadable designs from the GloryFitPro app.
Maintenance
1. Waterproof Rating
The LIGE DM4-A1-US Smart Watch has an IP68 water resistance rating and is 5ATM waterproof, making it suitable for swimming and handling harsh weather conditions. It features a dedicated swimming mode to track strokes, lap count, speed, and calorie burn.
Note: Not suitable for diving or sea use. To prevent accidental screen touches underwater, the touch screen function is automatically turned off during swimming mode. Use the physical buttons to unlock or end the workout.
Image: The LIGE Smart Watch being used underwater by a swimmer, with an overlay explaining how to unlock and control the watch during swimming mode.
2. Battery Care
The watch is equipped with a 600mAh high-capacity battery. For optimal battery life, avoid extreme temperatures and use the provided charging cable. Under normal use, the battery can last up to 7 days, with a standby time of up to 30 days.

Image: The LIGE Smart Watch showing its battery charging status, with details on 600mAh capacity, 45 days standby time, 2.5 hours charging time, and 5-7 working days of usage.
3. Durability
The watch is designed with U.S. MIL-STD-810H quality standards, indicating anti-impact, anti-fluid (-40°C to 70°C), dust-proof, and corrosion-resistant properties. It is built to withstand challenging environments.

Image: The LIGE Smart Watch undergoing various durability tests, including being submerged in ice, exposed to high temperatures, impact, and water, highlighting its MIL-STD-810H quality.
Troubleshooting
- Watch not turning on: Ensure the watch is fully charged. Connect it to the charger and wait a few minutes before attempting to power it on.
- Cannot pair with smartphone:
- Ensure Bluetooth is enabled on your phone and the watch.
- Make sure the GloryFitPro app is installed and updated.
- Restart both your phone and the watch.
- Check if the watch is already paired with another device. Disconnect if necessary.
- Ensure the watch is within Bluetooth range of your phone.
- Notifications not appearing:
- Verify that notification permissions are granted to the GloryFitPro app in your phone's settings.
- Check the app's settings to ensure specific app notifications are enabled.
- Ensure "Do Not Disturb" mode is not active on either the watch or your phone.
- Inaccurate health data (e.g., heart rate):
- Ensure the watch is worn snugly on your wrist, but not too tight.
- Clean the sensor on the back of the watch.
- Note that environmental factors and movement can affect sensor accuracy. Remember, this device is for general fitness reference, not medical use.
- GPS not tracking accurately:
- Ensure GPS is activated in an open outdoor area with a clear view of the sky.
- Wait for the watch to acquire a GPS signal before starting your activity.
Specifications
| Feature | Detail |
|---|---|
| Model Number | DM4-A1-US |
| Display Size | 1.43 Inches AMOLED HD |
| Battery Capacity | 600 mAh Lithium Polymer |
| Battery Life (Normal Use) | Up to 7 days |
| Standby Time | Up to 30 days |
| Charging Time | Approx. 2.5 hours |
| Waterproof Rating | IP68, 5ATM |
| GPS | Built-in GPS (L1+L5 dual-frequency), supports GLONASS, Beidou, Galileo, NAVIC, QZSS |
| Connectivity | Bluetooth 4.0 |
| Compatibility | iOS 11.0+ (calls require iOS 13+), Android 5.0+ |
| Operating System | AsteroidOS |
| Memory Storage Capacity | 512 MB |
| Item Weight | 3.17 ounces |
| Dimensions | 8.11 x 3.78 x 0.87 inches (Package) |
Warranty and Support
LIGE provides comprehensive customer support for your DM4-A1-US Smart Watch.
- Warranty: The product comes with a 24-month warranty.
- Returns Service: A 6-month return service is available.
- Online Support: 24-hour online support is provided.
If you encounter any issues regarding accessories, quality, operation, or charging, please contact the LIGE Customer Service Team for assistance. They aim to provide a solution within 24 hours.

Image: LIGE's commitment to customer service, detailing 24-hour online support, 6-month return service, and a 2-year guarantee.

Image: A prompt encouraging users to contact the Customer Service Team for any issues or concerns.





