1. Introduction
The ECHO RAINBOW Smartwatch is a connected, touch-enabled, and lightweight device designed for daily use. It features a compact, stylish metallic case and offers a range of functionalities including health tracking, sport monitoring, weather updates, and multimedia control. This manual provides essential information for setting up, operating, and maintaining your smartwatch.

Image: ECHO RAINBOW Smartwatch in deep blue with a silver case and dark blue silicone strap, displaying time 08:40 and activity metrics.
2. Setup
2.1 Charging the Device
Before initial use, fully charge your ECHO RAINBOW Smartwatch. Connect the magnetic USB charging cable to the charging points on the back of the watch and to a standard USB power source. The watch display will indicate charging status.
2.2 Installing the DaFit Application
To unlock all features and connect your smartwatch to your smartphone, download the DaFit application. It is available on Google Play Store for Android devices (Android 4.4 and above) and Apple App Store for iOS devices (iOS 8.0 and above).
- Search for "DaFit" in your smartphone's app store.
- Download and install the application.
- Follow the on-screen instructions to create an account or log in.
2.3 Pairing with Your Smartphone
Ensure Bluetooth is enabled on your smartphone.
- Open the DaFit application on your smartphone.
- Navigate to the "Device" or "Add Device" section within the app.
- The app will search for available Bluetooth devices. Select "ECHO RAINBOW" from the list.
- Confirm the pairing request on both your smartphone and the smartwatch, if prompted.
- Once paired, the watch will synchronize data with the app.
3. Operating Instructions
3.1 Basic Navigation
The ECHO RAINBOW Smartwatch features a touch screen for navigation. Swipe left, right, up, or down to access different functions and menus. A side button typically serves as a home button or to wake the screen.
3.2 Health Monitoring
The smartwatch is equipped with various health sensors:
- Electrocardiogram (ECG): Provides heart activity readings.
- Blood Pressure Measurement: Monitors your blood pressure levels.
- Oxygen Saturation (SpO2): Measures the oxygen level in your blood.
- Sleep Monitoring: Tracks your sleep patterns and quality.
- Menstrual Cycle Tracking: Helps monitor and predict menstrual cycles.
Access these features through the watch's menu or the DaFit app for detailed insights and historical data.
3.3 Activity and Sport Tracking
The smartwatch supports various activity and sport tracking functions:
- Pedometer: Counts your daily steps.
- Distance Tracking: Estimates the distance covered based on your steps.
- Exercise Modes: Select specific sport modes (e.g., walking, running) to track performance with personalized goals.
All activity data is synchronized with the DaFit app for comprehensive analysis.
3.4 Smart Connectivity and Notifications
Once paired with your smartphone, the ECHO RAINBOW Smartwatch allows you to:
- Receive and read messages and emails directly on your wrist.
- Control smartphone functions, including audio and video playback.
- Receive weather updates.
Configure notification preferences within the DaFit application.
3.5 Customization
The smartwatch includes interchangeable straps, allowing you to personalize its appearance to match your style.
4. Maintenance
To ensure the longevity and optimal performance of your ECHO RAINBOW Smartwatch:
- Cleaning: Regularly wipe the watch screen and strap with a soft, dry cloth. For stubborn dirt, use a slightly damp cloth and mild soap, then dry thoroughly.
- Avoid Extreme Conditions: Do not expose the watch to extreme temperatures, direct sunlight for prolonged periods, or harsh chemicals.
- Water Resistance: While the watch may have some water resistance, avoid submerging it in water unless explicitly stated otherwise in the product specifications. Do not press buttons underwater.
- Charging: Use only the provided magnetic USB charging cable.
5. Troubleshooting
If you encounter issues with your ECHO RAINBOW Smartwatch, consider the following:
- Watch Not Turning On: Ensure the watch is fully charged. Connect it to the charger for at least 30 minutes.
- Cannot Pair with Smartphone:
- Ensure Bluetooth is enabled on your smartphone.
- Make sure the watch is within range of your smartphone.
- Restart both the watch and your smartphone.
- Clear the Bluetooth cache on your smartphone (if applicable) and try pairing again.
- Inaccurate Health Data: Ensure the watch is worn snugly on your wrist, but not too tight. Clean the sensors regularly.
- Notifications Not Appearing:
- Check notification settings in the DaFit app.
- Ensure the DaFit app has necessary permissions on your smartphone.
- Verify that the watch is connected via Bluetooth.
- Short Battery Life: Reduce screen brightness, disable unnecessary notifications, and limit continuous heart rate monitoring if not needed.
If problems persist, consult the DaFit app's help section or contact customer support.
6. Specifications
| Feature | Detail |
|---|---|
| Brand | ECHO |
| Model | RAINBOW |
| Color | Deep Blue |
| Operating System | Proprietary (Compatible with Android 4.4+ & iOS 8.0+ via DaFit App) |
| Screen Size | 1.69 Inches |
| Shape | Rectangular |
| Connectivity Technology | Bluetooth |
| Wireless Communication Standard | 2.4 GHz Radio Frequency |
| Special Features | DaFit App support, Metallic case, Pedometer, Health & Sport Tracking |
| Compatible Devices | Smartphone |
| Battery Composition | Lithium-polymer |
| Rechargeable Battery | Yes |
| Battery Capacity | 180 mAh (approx.) |
| GPS | No GPS |
| Language | English, French |
| Manufacturer | ECHO |
7. Warranty and Support
Specific warranty details for the ECHO RAINBOW Smartwatch are not provided in the product information. For warranty claims, technical support, or inquiries regarding spare parts and software updates, please refer to the documentation included with your purchase or contact the manufacturer directly through their official website or customer service channels.





