1. Introduction
The ESTG DM58 is a robust GPS Smart Watch designed for outdoor enthusiasts and active individuals. Featuring a vibrant 1.43-inch AMOLED display, global multi-satellite positioning, Bluetooth calling, and comprehensive health and sports tracking, it is built to withstand challenging environments while keeping you connected and informed.

2. Setup
2.1 Charging the Device
Before initial use, fully charge your DM58 Smart Watch. Use the provided wired magnetic charging cable. Align the magnetic pins on the charger with the charging contacts on the back of the watch. Connect the USB end of the cable to a standard USB power adapter (not included) or a computer's USB port.
2.2 App Download and Pairing
To unlock the full functionality of your DM58 Smart Watch, you need to download the companion application on your smartphone. The app is available for Android (version 5.0 or above) and iOS (version 12.0 or above) devices.
- Search for the official companion app in your phone's app store (Google Play Store for Android, Apple App Store for iOS).
- Download and install the application.
- Ensure Bluetooth is enabled on your smartphone.
- Open the app and follow the on-screen instructions to create an account or log in.
- In the app, select 'Add Device' or 'Pair New Device'.
- The app will search for your DM58 Smart Watch. Select your watch from the list of discovered devices.
- Confirm the pairing request on both your watch and smartphone.
3. Operating Instructions
3.1 Basic Navigation
The DM58 Smart Watch features a 1.43-inch AMOLED touch screen for intuitive interaction. It also includes physical buttons for quick access to functions:
- Touch Screen: Swipe up, down, left, or right to navigate through menus and notifications. Tap to select items.
- SEL Button: Typically used for selection or confirming actions.
- BACK Button: Returns to the previous screen or menu.
- SPORT Button: Quick access to sports modes.
- GPS Button: Activates GPS functions.
- WORKOUT Button: Initiates workout tracking.
3.2 Bluetooth Calling
With its high-fidelity waterproof speaker and Bluetooth hands-free capabilities, the DM58 allows you to answer and make calls directly from your wrist when connected to your smartphone.

3.3 Global Positioning System (GPS)
The watch supports 6-satellite high-precision positioning, including GPS, GLONASS, BDS, Galileo, NAVIC, and QZSS, for accurate location tracking during outdoor activities.

3.4 Sports and Activity Tracking
The DM58 offers over 170 sports modes and automatically recognizes 6 common activities such as walking, running, outdoor cycling, elliptical machine, rowing machine, and static activities. It tracks steps, distance, calories, and overall activity.

3.5 Health Monitoring
Equipped with a professional VC30F-S sensor, the watch provides 24-hour continuous heart rate monitoring. It also includes blood pressure monitoring and sleep tracking features to help you manage your physical and mental health.

3.6 Other Functions
The DM58 Smart Watch also includes a compass, barometer, and altitude meter, making it a versatile tool for outdoor adventures.

3.7 Customizing Watch Faces
Personalize your watch with over 200+ cloud dials available through the companion app.

4. Maintenance
4.1 Cleaning and Care
To maintain the watch's appearance and functionality, regularly clean the watch body and strap with a soft, damp cloth. Avoid using harsh chemicals or abrasive materials. Ensure the charging contacts are clean and dry before charging.
4.2 Water Resistance
The DM58 Smart Watch has a 5ATM waterproof rating, meaning it can withstand pressures equivalent to a depth of 50 meters. It is suitable for splashes, rain, showering, and shallow-water swimming. However, it is not recommended for diving, snorkeling, or high-speed water sports.
4.3 Battery Life
The watch is equipped with a 500mAh battery. Typical battery performance is:
- Continuous GPS: Up to 22 hours
- Always-on screen: Up to 4 days
- Normal use: 5-10 days
- Standby: Up to 65 days

5. Troubleshooting
5.1 Watch Not Turning On
- Ensure the watch is fully charged. Connect it to the charger for at least 30 minutes.
- Press and hold the power button (usually the SEL button) for 10-15 seconds to force a restart.
5.2 Unable to Pair with Smartphone
- Make sure Bluetooth is enabled on your phone and the watch.
- Ensure the watch is within Bluetooth range of your phone.
- Restart both your watch and smartphone.
- Clear the app's cache or reinstall the app.
- Check if the watch is already paired with another device. Disconnect if necessary.
5.3 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.
- Avoid excessive movement during measurements (e.g., heart rate).
- Note that these devices are not medical instruments and data is for reference only.
5.4 GPS Signal Issues
- Ensure you are in an open outdoor area with a clear view of the sky.
- Avoid tall buildings, dense forests, or underground locations that can obstruct GPS signals.
- Wait a few minutes for the watch to acquire a stable GPS signal.
6. Specifications

| Feature | Detail |
|---|---|
| Display | 1.43 inch AMOLED, 466*466 Resolution |
| Main Chip | ATS3085L |
| HRS Chip | VC30F-S |
| Battery Capacity | 500mAh |
| Charging Method | Wired Magnetic Charging |
| Bluetooth Version | 5.3 BLE |
| Speaker | 1306 Waterproof Special Speaker |
| Other Functions | Compass, Barometer, Altitude |
| Waterproof Level | 5ATM Waterproof |
| Material | Zinc Alloy + Two-color Molding Plastic |
| System Requirements | Android 5.0 or above, iOS 12.0 or above |
| Voice Assistant | No |
| SIM Card Available | No |
| Wi-Fi | No |
| RAM | <128MB |
| ROM | <128MB |
| Case Material | Carbon Fibre |
| Band Material | Silica Gel |
| Application Age Group | Adult |
| Certification | CE |
7. User Tips
- Optimize Battery Life: To extend battery life, consider reducing screen brightness, disabling unnecessary notifications, and turning off the always-on display feature when not needed.
- GPS Accuracy: For best GPS performance, ensure the watch has a clear view of the sky and allow a few moments for it to acquire satellite signals before starting an activity.
- Regular Sync: Sync your watch with the companion app regularly to ensure all your activity and health data is backed up and to receive the latest firmware updates.
- Customization: Explore the wide range of watch faces available in the app to personalize your device's look.
8. Warranty and Support
For detailed warranty information, technical support, or further instructions, please refer to the official user manual. A comprehensive PDF version of the user manual is available for download:
If you require assistance beyond the scope of this manual, please contact the seller or manufacturer's customer support.