Introduction
Welcome to the EGQINR H52 Smart Watch user manual. This document provides detailed instructions on how to set up, operate, and maintain your new smartwatch. The EGQINR H52 is designed to enhance your daily life with features such as Bluetooth calling, comprehensive health monitoring, and extensive fitness tracking capabilities.
Please read this manual thoroughly to ensure proper usage and to get the most out of your device.
What's in the Box
Upon unboxing your EGQINR H52 Smart Watch, you should find the following items:
- EGQINR H52 Smart Watch (1 unit)
- Comfortable Silicone Watch Straps (1 pair)
- Magnetic Charging Cable (1 unit)
- Instruction Manual (1 unit)

Image: The EGQINR H52 Smart Watch, its silicone straps, magnetic charging cable, and user manual, neatly arranged in its packaging.
Setup
1. Charging the Device
Before initial use, fully charge your EGQINR H52 Smart Watch. Connect the magnetic charging cable to the charging points on the back of the watch and plug the USB end into a compatible power adapter (not included).
- Charging Time: Approximately 2 hours for a full charge.
- Battery Life: 5-7 days with typical use, up to 25 days standby.

Image: The EGQINR H52 Smart Watch connected to its magnetic charging cable, displaying a charging icon on its screen.
2. Downloading and Pairing the DaFit App
To unlock the full potential of your smartwatch, download the "DaFit" app on your smartphone. The app is compatible with iOS 9.0 or above and Android 4.4 or above.
- Scan the QR code provided in the watch's "About" section (Settings > About > APP QR Code) or in the included manual to download the "DaFit" app.
- Enable Bluetooth on your smartphone.
- Open the "DaFit" app and follow the on-screen instructions to add your device. Select "H52" from the list of available devices to connect.
- Ensure the "DaFit" binding is successful within the app.

Image: A visual guide showing the steps to download the DaFit app and pair it with the H52 smartwatch, including scanning a QR code and selecting the device.
3. Bluetooth Connection for Calls
For Bluetooth calling functionality, an additional pairing step is required:
- After successful device binding in the "DaFit" app, open your phone's Bluetooth settings.
- Look for "H52" in the list of available Bluetooth devices and click to bind it.
- Once connected, you can use the Bluetooth call function directly from your watch.

Image: A person wearing the H52 smartwatch, demonstrating the Bluetooth call feature with a phone call interface on the watch screen.
4. Display Calibration
To ensure accurate display and sensor performance, follow these calibration steps:
- On your watch, navigate to Settings > About > APP QR Code.
- Press and hold the QR code interface to enter the calibration interface.
- Click "Click of Air" to calibrate. Ensure you click on an empty area of the screen and hold for 3-5 seconds until the "gdiff0" data changes.
- Place the watch on your wrist. The display should show "OK". Click "OK" to proceed to the next interface.
- Remove the watch from your wrist and place it on a flat surface. The display should show "OK". Click "OK" to proceed.
- Place the watch on your wrist again. After "OK" is displayed, click "OK" to jump back to the QR code interface. Calibration is complete.
Video: A demonstration of the calibration process for the EGQINR H52 Smart Watch, showing how to access the calibration menu and perform the air and wrist tests.
Operating Instructions
1. Basic Navigation
The EGQINR H52 features a 1.75-inch HD colorful touch screen for intuitive navigation. Swipe left, right, up, or down to access different functions and menus. Tap to select items.

Image: The EGQINR H52 Smart Watch displaying various app icons, highlighting its sensitive touch screen for navigation.
2. Making and Receiving Calls
With Bluetooth enabled and paired, you can manage calls directly from your wrist:
- Answer/Make Calls: Use the dial pad, access contacts, or view call history on the watch.
- The watch features a built-in microphone and speaker for clear communication.
3. Message Notifications
Receive real-time notifications from various apps (Facebook, WhatsApp, Twitter, etc.) directly on your watch. Please note that you cannot reply to messages from the watch.
4. AI Voice Assistant
The smartwatch integrates with AI voice assistants (Siri, Bixby, Google Assistant) on your phone. Use voice commands to set alarms, check weather, control music, and more.
5. Customizing Watch Faces
Personalize your watch with over 100 free watch faces available on the DaFit APP, or upload your own photos to create unique designs.

Image: The EGQINR H52 Smart Watch showcasing a variety of customizable watch faces, including digital and analog styles, and options to use personal photos.
6. Other Useful Functions
The EGQINR H52 Smart Watch includes several additional tools for daily convenience and entertainment:
- Dynamic Island
- Weather Forecast
- Music Control
- Camera Control (remote shutter)
- Clock/Stop Watch/Timer
- Breather Guide
- Raise to Wake
- Find Phone
- Calculator
- Water/Sedentary Reminders

Image: A collage of the EGQINR H52 Smart Watch screens showing various utility features such as weather forecast, camera control, breath training, female health tracking, music player, calculator, find phone, and dynamic island.
Health Monitoring
The EGQINR H52 Smart Watch is equipped with advanced sensors to monitor your health metrics:
1. Heart Rate Monitor
Continuously monitors your heart rate throughout the day. The DaFit app provides detailed graphs and high heart rate warnings.
2. Blood Pressure Monitor
Measures your blood pressure. For accurate readings, ensure the watch is worn snugly on your wrist.
3. Blood Oxygen (SpO2) Monitor
Tracks your blood oxygen saturation levels, providing insights into your respiratory health.
4. Sleep Tracking
Monitors your sleep patterns, including awake time, REM, light, and deep sleep stages. Review detailed sleep data in the DaFit app to improve sleep quality.
5. Female Cycle Tracking
For female users, the watch can track menstrual cycles, including menstruation, safe/ovulation periods, and ovulation days, providing timely reminders.
Fitness Tracking
1. Activity Tracking
The watch automatically records daily steps, calories burned, and distance traveled. All data syncs with the DaFit app for analysis.
2. Sports Modes
Supports over 100 sports modes, including running, cycling, basketball, yoga, and more. Set personalized goals for time, calories, or distance for each workout. The watch generates detailed exercise reports for scientific training.

Image: The EGQINR H52 Smart Watch showing a selection of its 100+ sports modes, including icons for various activities like running, cycling, and yoga.
3. IP68 Waterproof Rating
The watch has an IP68 waterproof rating, making it suitable for daily activities like washing hands, showering (cold water only), and engaging in sweaty workouts. It is not recommended for sauna or diving.
Specifications
| Feature | Detail |
|---|---|
| Model Number | H52 |
| Screen Size | 1.75 Inches |
| Operating System | Android (4.4+), iOS (9.0+) |
| Connectivity Technology | Bluetooth |
| Battery Capacity | 250 mAh |
| Battery Cell Composition | Lithium Ion |
| Waterproof Rating | IP68 |
| Item Weight | 5.6 ounces |
| Special Features | Bluetooth Call, Text Notification, Heart Rate Monitor, Blood Pressure Monitor, Sleep Tracker, Activity Tracker, Calorie Tracker, Pedometer, Dynamic Island, Weather Forecast, Music Control, Camera Control, Alarm Clock, Calculator |
Maintenance
To ensure the longevity and optimal performance of your EGQINR H52 Smart Watch, follow these maintenance guidelines:
- Cleaning: Regularly wipe the watch screen and strap with a soft, damp cloth. Avoid using harsh chemicals or abrasive materials.
- Charging: Use only the provided magnetic charging cable. Do not expose the charging contacts to water or corrosive liquids.
- Storage: Store the watch in a cool, dry place when not in use. Avoid extreme temperatures.
- Water Exposure: While IP68 waterproof, avoid prolonged submersion in water, hot water, or chemical liquids. Dry the watch thoroughly after exposure to water.
Troubleshooting
If you encounter issues with your EGQINR H52 Smart Watch, refer to the following common solutions:
- Watch not turning on: Ensure the watch is fully charged. Connect it to the charger for at least 10 minutes.
- Cannot pair with phone:
- Ensure Bluetooth is enabled on your phone and the watch.
- Make sure the "DaFit" app is installed and running.
- Restart both your phone and the watch.
- Check if the watch is already paired with another device. Disconnect if necessary.
- Inaccurate health readings (HR, BP, SpO2):
- Ensure the watch is worn snugly on your wrist, not too loose or too tight.
- Keep your arm still during measurements.
- Perform the display calibration as described in the Setup section.
- Notifications not appearing:
- Verify that app notifications are enabled in the "DaFit" app settings.
- Check your phone's system settings to ensure the "DaFit" app has permission to send notifications.
- Ensure the watch is connected via Bluetooth.
Warranty and Support
EGQINR offers the following for your purchase:
- 30-Day Free Return Policy: If you are not satisfied with your purchase, you may return it within 30 days.
- 1-Year Warranty: The product is covered by a 1-year warranty from the date of purchase.
- 24/7 Lifetime Technical Support: For any questions or assistance, please contact EGQINR customer support.
For further assistance, please refer to the contact information provided in the DaFit APP or on the official EGQINR website.







