1. Introduction
Thank you for choosing the EIGIIS KE3 Smart Watch. This device is designed to enhance your daily life with advanced health monitoring, communication features, and robust outdoor capabilities. Please read this manual carefully to understand how to operate your watch and utilize all its functions effectively.
Video: EIGIIS KE3 Smart Watch Product Overview
2. What's in the Box
- 1 x EIGIIS KE3 Smart Watch
- 1 x Watch Bands (Note: If you chose a stainless steel/leather strap, you will receive an extra black silicone strap.)
- 1 x Magnetic Charging Cable
- 1 x User Manual
- 1 x Exquisite Packaging Box
3. Specifications
| Feature | Description |
|---|---|
| Product Number | EIGIIS KE3 |
| Main Chipset | RTL8763EWE |
| Heart Rate Chipset | 3605 |
| Gravity Sensor | STK8321 |
| DC Connector | Micro USB |
| Screen | 1.45" TFT HD Full Touch |
| Resolution | 360*360 |
| Dial Material | Mineral Glass |
| Wristband Material | Environmentally Friendly Silicone |
| Case Material | Zinc Alloy |
| Waterproof Rating | 3ATM Professional Waterproof |
| System Compatibility | Android 8.0 or above, iOS 10.0 or above |
| Bluetooth Version | BLE 5.0 |
| Battery Capacity | 300mAh |
| Charging Type | Magnetic Charging |
| Battery Life (Daily Use) | 5-7 days |
| Battery Life (Power-saving Mode) | Up to 9 days |
| Standby Time | 12-15 days |
| Charging Time | Approximately 2 hours |
| Companion App | FitCloudPro |
| Dials Available | 100+ via APP, 6 built-in, custom dials supported |
| Metrics Measured | Heart Rate, Blood Oxygen (SpO2), Sleep Score |
| Activity Tracked | Steps, Distance, Calories, Various Sports Activities |
| Voice Assistant | Built-in, Supports Alexa |
| Additional Features | Flashlight, Music Control, Remote Camera, Weather Forecast, Smart Notifications |
| Ruggedness | Anti-Impact, Sand/Dust Test, Vibration Test, 70°C Heat Resistance, -40°C Cold Resistance, Salt Spray Test, Shock Test, Anti-Fluid Corrosion, Low Pressure Test, Enhanced Antimagnetic |
4. Setup Guide
4.1 Initial Charging
Before first use, fully charge your EIGIIS KE3 Smart Watch. Connect the magnetic charging cable to the charging points on the back of the watch and plug the USB end into a power adapter (not included) or a computer USB port. Charging typically takes about 2 hours.
4.2 App Download and Installation
The EIGIIS KE3 Smart Watch uses the FitCloudPro app. You can download it from the App Store (for iOS devices) or Google Play Store (for Android devices).
4.3 Device Pairing (Bluetooth Connection)
Follow these steps to connect your watch to your smartphone:
- Ensure Bluetooth is turned ON on your phone.
- Download and open the FitCloudPro app.
- In the app, navigate to the 'Device' section and tap 'Add Device'.
- The app will scan for nearby devices. Select 'KE3' from the list to connect.
- A Bluetooth pairing request will appear on your phone. Click 'PAIR' in the pop-up window.
- Enable contact and call permissions when prompted by the app.
- On your watch, go to the settings for 'Call audio' and 'Media audio' and ensure 'BT call' is enabled.
- Your KE3 watch is now ready for Bluetooth dial calls and other features.

Image: How to Connect Your EIGIIS KE3 Smart Watch
5. Operating Instructions
5.1 Basic Navigation
The EIGIIS KE3 features a full touch HD screen and a rotating button for convenient navigation. Swipe across the screen to access different menus and functions. Use the rotating button to scroll through options or return to the home screen.
5.2 Voice Call Features
With Bluetooth calling enabled, you can make and receive calls directly from your watch. The watch supports one-touch connect, voice assistant, telephone dial, recent calls, contacts, and caller ID display.

Image: Bluetooth Calling on EIGIIS KE3
5.3 Health Monitoring (24/7)
The watch provides continuous health tracking:
- Heart Rate Monitor: Real-time heart rate tracking.
- Blood Oxygen (SpO2) Monitor: Measures your blood oxygen levels.
- Sleep Monitor: Records and analyzes your sleep data (deep sleep, light sleep, awake time) to help you develop better sleep habits.
- Women's Physiological Cycle Record: Track and manage your menstrual cycle.

Image: 24/7 Health Monitoring
5.4 Sports Modes
The KE3 Smart Watch offers over 100 sports modes. It uses professional sensors to record comprehensive exercise data, including calories burned, distance covered, and steps taken. Simply select your desired activity from the watch menu to start tracking.

Image: 100+ Sports Modes Tracking
5.5 Everyday Smart Features
- Smart Notifications: Receive alerts for incoming calls, SMS, and messages from various apps like Facebook, Twitter, WhatsApp, and Gmail directly on your watch.
- Flashlight: The watch is equipped with a built-in flashlight to help illuminate your path in the dark.
- Weather Forecast: Get real-time synchronized mobile weather forecasts to prepare for your day.
- Music Control: Control music playback on your phone directly from your watch.
- Remote Camera: Use your watch as a remote shutter to take photos on your phone.
- Other Functions: Voice recording, Find Your Phone, Do Not Disturb Mode, Sedentary Reminder, Drinking Reminder, Passcode.

Image: Smart Notifications

Image: Flashlight on Wrist

Image: Weather Forecast

Image: Music Control

Image: Remote Camera
6. User Tips
- The rotating button design offers a convenient way to navigate menus and settings.
- Keep your watch and phone connected via Bluetooth to receive important notifications and utilize calling features seamlessly.
- The built-in flashlight is a handy feature for outdoor activities or in low-light conditions.
- To start a sports mode, simply click on the desired activity icon on the watch screen.
- For optimal health tracking, ensure the watch is worn snugly on your wrist.
7. Troubleshooting
7.1 Connectivity Issues
- Watch not connecting to app: Ensure Bluetooth is enabled on your phone and the watch is within range. Restart both the watch and your phone, then try pairing again through the FitCloudPro app.
- Bluetooth calls not working: Verify that 'Call audio' and 'Media audio' are enabled for 'BT call' in your watch's settings after successful pairing. Check your phone's Bluetooth settings to ensure the watch is connected for calls.
7.2 Health Monitoring Accuracy
- Inaccurate readings: Ensure the watch is worn correctly – snug but not too tight, and positioned above your wrist bone. Avoid excessive movement during measurements.
- Blood Pressure Measurement: Please note that the EIGIIS KE3 Smart Watch measures Blood Oxygen (SpO2) levels and Heart Rate, but it does not measure blood pressure.
7.3 Lost Charging Cable
If you lose your charging cable, please contact EIGIIS customer support or the seller to inquire about purchasing a replacement. Using non-original or incompatible chargers may damage your device.
8. Maintenance
8.1 Waterproofing
The EIGIIS KE3 Smart Watch is 3ATM Professional Waterproof. This means it is resistant to splashes, rain, and brief immersion in shallow water. It is suitable for daily use and can withstand hand washing or light rain. However, it is not recommended for hot showers, saunas, diving, or high-pressure water activities, as steam and high water pressure can damage the seals.
8.2 Cleaning and Care
- Regularly clean your watch and wristband with a soft, damp cloth.
- Avoid using harsh chemicals, abrasive cleaners, or solvents, as these can damage the watch's finish and materials.
- Ensure the charging contacts are clean and dry before charging to prevent corrosion.
8.3 Battery Care
- Avoid fully discharging the battery frequently. Charge it when the battery level is low.
- Do not expose the watch to extreme temperatures (hot or cold) for extended periods, as this can affect battery life.
9. Warranty and Support
For any product-related issues, technical support, or warranty claims, please contact the EIGIIS Watch Store directly through the platform where you purchased the product. Keep your purchase receipt as proof of purchase.





