ECHO RAINBOW PRO
ECHO RAINBOW PRO Smartwatch User Manual
Model: RAINBOW PRO
Brand: ECHO
Introduction
This user manual provides comprehensive instructions for the ECHO RAINBOW PRO Smartwatch. Please read this manual carefully before using your device to ensure proper operation and to maximize its features. Keep this manual for future reference.
What's in the Box
Upon opening the package, verify that all items are present and in good condition:
- ECHO RAINBOW PRO Smartwatch (Gun Metal)
- 1 x Metal Bracelet
- 1 x Rubber Bracelet
- Charging Cable (Magnetic)
- User Manual

Image: The retail packaging for the ECHO RAINBOW PRO Smartwatch, displaying the watch itself, the included metal bracelet, and the additional rubber bracelet.
Setup Guide
1. Initial Charging
Before first use, fully charge your ECHO RAINBOW PRO Smartwatch. 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 (e.g., 5V/1A USB charger) or a computer USB port.
- A full charge typically takes approximately 2 hours.
- The watch display will indicate charging status.
2. App Installation and Pairing
To unlock the full potential of your smartwatch, download the dedicated companion app on your smartphone. The app is compatible with all smartphones (iOS and Android).
- Scan the QR code in the manual or search for the "ECHO Smart" app (or similar, check packaging for exact name) in your smartphone's app store (Google Play Store for Android, Apple App Store for iOS).
- Install the app and create an account if prompted.
- Ensure Bluetooth is enabled on your smartphone.
- Open the app and follow the on-screen instructions to pair your ECHO RAINBOW PRO Smartwatch. This usually involves selecting your device from a list and confirming a pairing code on both the watch and phone.
3. Attaching/Changing Bracelets
Your ECHO RAINBOW PRO Smartwatch comes with two interchangeable bracelets: one metal and one rubber. To attach or change a bracelet:
- Locate the quick-release pins on the back of each bracelet strap.
- Slide the pin inwards to detach the current strap from the watch body.
- Align the new strap with the watch lugs, slide one end of the pin into the lug hole, then slide the other end of the pin inwards and release it into the opposite lug hole.
- Gently pull on the strap to ensure it is securely fastened.

Image: The ECHO RAINBOW PRO Smartwatch featuring the metal bracelet attached, alongside the detached rubber bracelet components, illustrating the interchangeable design.

Image: The ECHO RAINBOW PRO Smartwatch with its metal bracelet, positioned next to the loose rubber bracelet, highlighting the two strap options.
Operating Your Smartwatch
Basic Navigation
- Touchscreen: Swipe left, right, up, or down to navigate through menus and screens. Tap to select items.
- Side Button: Typically used to wake/sleep the screen, return to the home screen, or access the app menu. A long press may power the device on/off.

Image: A dual view of the ECHO RAINBOW PRO Smartwatch, showing the front display with the metal bracelet and a rear view of the watch with the rubber bracelet, highlighting the side button and sensor area.

Image: A side profile view of the ECHO RAINBOW PRO Smartwatch, illustrating its slim design and how both the metal and rubber bracelets attach to the watch body.
Key Features
Health Monitoring
The ECHO RAINBOW PRO Smartwatch is equipped with advanced sensors to help you monitor your health:
- Electrocardiogram (ECG): Follow in-app instructions to take an ECG reading.
- Blood Pressure: Provides estimated blood pressure readings. For accurate medical diagnosis, consult a healthcare professional.
- Oxygen Saturation (SpO2): Measures the oxygen level in your blood.
- Sleep Monitoring: Automatically tracks your sleep patterns, including deep sleep, light sleep, and awake times. View detailed reports in the app.
- Menstruation Tracking: For female users, track menstrual cycles and predict fertile windows through the companion app.

Image: A person wearing the ECHO RAINBOW PRO Smartwatch with the rubber bracelet, displaying health-related data on its screen, such as heart rate or activity levels.
Activity and Sport Modes
Track your fitness and daily activity with various sport modes and a built-in pedometer:
- Pedometer: Counts your daily steps, distance, and calories burned.
- Sport Modes: Select from multiple sport modes (e.g., running, cycling, walking) to track specific workout data like duration, heart rate, and calories. Set objectives within the app.

Image: A person wearing the ECHO RAINBOW PRO Smartwatch with the metal bracelet, captured in a dynamic pose, suggesting active use of the device.
Smart Notifications and Control
Stay connected and control your smartphone directly from your wrist:
- Message and Mail Reception: Receive notifications for incoming calls, messages, and emails directly on your watch. You can read messages from your wrist.
- Smartphone Control: Command certain smartphone functions, such as music playback or camera shutter, from your smartwatch.
Battery Life
The ECHO RAINBOW PRO Smartwatch offers an impressive battery life of up to 5 days on a single charge, depending on usage. To optimize battery life, manage screen brightness and notification frequency through the app settings.
Maintenance and Care
- Cleaning the Watch: Regularly wipe the watch screen and body with a soft, lint-free cloth. For stubborn smudges, slightly dampen the cloth with water. Avoid using harsh chemicals or abrasive materials.
- Sensor Care: Keep the optical sensors on the back of the watch clean for accurate readings.
- Bracelet Care:
- Metal Bracelet: Clean with a soft, dry cloth. Avoid prolonged exposure to water or harsh chemicals.
- Rubber Bracelet: Can be rinsed with water and mild soap if necessary. Ensure it is completely dry before reattaching.
- Storage: When not in use for extended periods, store the watch in a cool, dry place.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Watch not turning on | Ensure the watch is fully charged. Press and hold the side button for several seconds. |
| Cannot pair with smartphone |
|
| Inaccurate health readings |
|
| Notifications not appearing |
|
Specifications
| Feature | Detail |
|---|---|
| Brand | ECHO |
| Model | RAINBOW PRO |
| Color | Gun Metal |
| Connectivity | Bluetooth |
| Special Features | 5-day battery life, Health sensors (ECG, Blood Pressure, SpO2), Sleep monitoring, Sport modes, Pedometer, Menstruation tracking, Smartphone control, Message/Mail reception |
| Compatible Devices | All smartphones (iOS & Android) |
| Battery Type | Lithium-ion |
| Rechargeable Battery | Yes |
Warranty and Support
Manufacturer's Warranty
The ECHO RAINBOW PRO Smartwatch comes with a 2-year manufacturer's warranty. This warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.
For warranty claims, please retain your proof of purchase and contact the retailer or ECHO customer support.
Customer Support
If you encounter any issues not covered in the troubleshooting section or require further assistance, please refer to the contact information provided with your purchase or visit the official ECHO website for support resources.
Note: Information regarding software updates and spare parts availability is not provided at this time.
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