Jaytech SM-GR1
JAY-tech SM-GR1 Smartwatch User Manual
Model: SM-GR1 (7700 1490)
1. Introduction
Thank you for choosing the JAY-tech SM-GR1 Smartwatch. This device is designed to enhance your daily life by providing comprehensive health monitoring, activity tracking, and smart notifications directly from your wrist. Featuring a 1.28-inch TFT touch screen and a durable stainless steel band, the SM-GR1 combines elegant design with practical functionality.
Please read this manual carefully to understand the proper use, setup, and maintenance of your smartwatch.
What's in the Box
- JAY-tech SM-GR1 Smartwatch with Stainless Steel Band
- Charging Cable
- Watch Band Adjustment Tool
- User Manual

The JAY-tech SM-GR1 smartwatch features a sleek design with a black circular display and a durable silver stainless steel band. It is designed for daily wear and activity tracking.

Included with the SM-GR1 smartwatch is a specialized tool designed for easy adjustment of the stainless steel watch band. This tool allows users to add or remove links to achieve a comfortable and secure fit.
2. Setup
2.1 Initial Charging
Before first use, fully charge your SM-GR1 smartwatch. Connect the charging cable to the charging port on the back of the watch and plug the USB end into a standard USB power adapter (not included) or a computer's USB port. The watch display will indicate charging status. A full charge typically takes approximately 2 hours.
2.2 App Installation
To unlock the full potential of your SM-GR1 smartwatch, you need to install the companion application on your smartphone. The app is named WearFit Pro. You can download it from the App Store (for iOS devices) or Google Play Store (for Android devices) by searching for "WearFit Pro".
Alternatively, scan the QR code provided in the quick start guide (if available) or on the watch's packaging to directly download the app.
2.3 Pairing with Your Smartphone
- Ensure your smartphone's Bluetooth is enabled.
- Open the WearFit Pro app on your smartphone.
- Follow the on-screen instructions within the app to create an account or log in.
- Navigate to the "Device" or "My Device" section in the app.
- Tap "Add Device" or "Bind Device" and select "SM-GR1" from the list of available devices.
- Confirm the pairing request on both your smartphone and the smartwatch if prompted.
- Once successfully paired, the watch's time and date will synchronize with your phone, and you can begin customizing settings and tracking data.

Users can customize their SM-GR1 smartwatch experience through various settings. These include toggling silent and vibration modes, adjusting screen-off and bright screen durations, setting 'Do Not Disturb' periods, enabling 'Raise to Wake' for convenience, managing phone pairing, and accessing device information.
3. Operating the Smartwatch
3.1 Basic Navigation
The SM-GR1 features a full touch screen display and a side button for navigation:
- Swipe Up/Down: Scroll through menus and notifications.
- Swipe Left/Right: Access quick functions or different data screens (e.g., heart rate, weather, activity).
- Tap: Select an item or confirm an action.
- Side Button: Press to return to the home screen or wake the display.

This image illustrates the intuitive user interface of the SM-GR1 smartwatch, displaying quick access icons for essential functions like weather updates, health monitoring (heart rate, blood pressure), data logs, music playback control, notification management, device settings, and power options.
3.2 Health Monitoring
The SM-GR1 smartwatch provides comprehensive health data:
- Heart Rate Monitoring: Continuously tracks your heart rate throughout the day. View real-time data on the watch or detailed graphs in the app.
- Blood Pressure Monitoring: Measures your blood pressure. For accurate readings, ensure the watch is worn correctly and remain still during measurement.
- Blood Oxygen (SpO2) Monitoring: Estimates your blood oxygen saturation levels.
- Sleep Monitoring: Automatically tracks your sleep patterns, including deep sleep, light sleep, and awake times. Analyze your sleep quality in the WearFit Pro app.

The SM-GR1 provides comprehensive health tracking, including a pedometer for steps, active minutes, and workout counts. It also graphically presents historical data for heart rate (BPM), blood oxygen saturation (SpO2), and systolic/diastolic blood pressure readings, allowing users to monitor their health trends.
3.3 Activity and Sport Modes
The smartwatch tracks your daily activity and supports 13 different sport modes:
- Pedometer: Counts your steps, distance covered, and calories burned throughout the day.
- Sport Modes: Select from 13 pre-set sport modes (e.g., running, cycling, walking) to track specific workouts. The watch will record duration, heart rate, and other relevant metrics for your chosen activity.
3.4 Smart Features
- Music Control: Control music playback on your connected smartphone directly from your watch (play, pause, skip tracks).
- Notifications: Receive call, text message, and app notifications directly on your wrist. You can manage which app notifications appear via the WearFit Pro app.
- Weather Forecast: Get real-time weather updates on your watch (requires connection to the app and internet).
- Customizable Watch Faces: Choose from a variety of pre-installed watch faces or download more through the app to personalize your device.

The SM-GR1 smartwatch offers a variety of customizable watch faces to suit different styles and preferences. The image also shows examples of other data screens accessible on the watch, such as weather forecasts, timers, and detailed sleep tracking information.
4. Maintenance
4.1 Cleaning Your Smartwatch
To keep your SM-GR1 clean and functioning optimally:
- Wipe the screen and body with a soft, lint-free cloth.
- For stubborn spots, dampen the cloth slightly with water. Do not use harsh chemicals or abrasive cleaners.
- Clean the charging contacts regularly to ensure proper charging.
4.2 Water Resistance (IP67)
The SM-GR1 smartwatch is rated IP67, meaning it is protected against dust ingress and can withstand immersion in water up to 1 meter for up to 30 minutes. This makes it suitable for daily use, including hand washing and light rain.
Important:
- Do not use the watch for swimming, showering with hot water, or diving.
- Avoid exposing the watch to high-pressure water or steam.
- If the watch gets wet, dry it thoroughly before charging.

The SM-GR1 smartwatch is designed to withstand water exposure, as shown by the water splashes. Its IP67 rating ensures protection against dust and temporary immersion in water. The display also shows a weather forecast of -20°C.
4.3 Battery Care
- Avoid fully discharging the battery frequently.
- Charge the watch regularly, even if not in use, to maintain battery health.
- Store the watch in a cool, dry place when not in use for extended periods.
5. Troubleshooting
If you encounter issues with your SM-GR1 smartwatch, try the following solutions:
5.1 Watch Not Turning On
- Ensure the watch is fully charged. Connect it to the charger for at least 30 minutes.
- Check if the charging cable is properly connected and the power source is working.
5.2 Unable to Pair with Smartphone
- Make sure Bluetooth is enabled on your smartphone.
- Ensure the smartwatch is within Bluetooth range (typically 10 meters).
- Restart both your smartphone and the smartwatch.
- Forget the device in your phone's Bluetooth settings and try pairing again through the WearFit Pro app.
- Ensure the WearFit Pro app has necessary permissions (location, Bluetooth).
5.3 Inaccurate Health Data
- Ensure the watch is worn snugly on your wrist, about one finger's width above the wrist bone.
- Keep the sensor clean and free from dirt or sweat.
- For best results, remain still during measurements.
5.4 Notifications Not Appearing
- Check if the watch is successfully paired with your smartphone.
- Ensure notification permissions are enabled for the WearFit Pro app in your phone's settings.
- Verify that notification settings are enabled within the WearFit Pro app for specific applications.
- Disable "Do Not Disturb" mode on both your phone and watch.
6. Specifications
| Feature | Description |
|---|---|
| Model Name | SM-GR1 |
| Model Number | 7700 1490 |
| Brand | Jaytech |
| Display | 1.28-inch TFT Full Touch Screen |
| Connectivity | Bluetooth 4.0, 2.4 GHz Radio Frequency |
| Compatible Devices | Smartphones (Android OS mentioned, generally compatible with iOS too via app) |
| Health Features | Heart Rate Monitor, Blood Pressure Monitor, Blood Oxygen (SpO2), Sleep Monitor, Pedometer |
| Sport Modes | 13 modes |
| Water Resistance | IP67 (Dust protected, immersion up to 1m for 30 min) |
| GPS | Via smartphone |
| Battery | 200 mAh |
| Shape | Round |
7. Warranty and Support
JAY-tech products are manufactured to high quality standards. For information regarding warranty coverage, please refer to the warranty card included with your product or contact your point of purchase.
For technical support or further assistance, please visit the official JAY-tech website or contact their customer service department. Contact details can typically be found on the product packaging or the brand's official website.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.