1. Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your Lefitus Smart Watch I128. Please read this manual thoroughly before using the device to ensure proper function and longevity.

Image 1.1: Lefitus Smart Watch I128 with included bands. The main watch is pink with a matching silicone band, displaying a floral watch face. Two additional bands, one white and one pink with ventilation holes, are shown below.
2. Package Contents
Verify that all items are present in your package:
- Lefitus Smart Watch I128
- 3 Watch Bands (Pink silicone, White silicone, Pink perforated silicone)
- Charging Cable
- Connection Card
- Instruction Manual (this document)

Image 2.1: Contents of the Lefitus Smart Watch I128 package, including the watch, three interchangeable bands, and the charging cable.
3. Setup Guide
3.1 Charging the Smart Watch
Before first use, fully charge your smart watch. Connect the magnetic charging cable to the charging contacts on the back of the watch and plug the USB end into a power adapter (not included) or a computer's USB port. A full charge typically takes approximately 2.5 hours.
- Battery Capacity: 300 mAh
- Charging Time: Approximately 2.5 hours
- Normal Use Battery Life: 5-7 days
- Standby Time: Up to 30 days

Image 3.1: Visual guide to charging the watch, showing the magnetic charger connection and battery life estimates.
3.2 App Installation and Device Pairing
To unlock the full functionality of your smart watch, you need to install the companion app and pair it with your smartphone.
- Download the App: Scan the QR code on the connection card or search for "FitCloudPro" in the Apple App Store (for iOS) or Google Play Store (for Android).
- Enable Bluetooth: Turn on the Bluetooth function on your smartphone.
- Open the App: Launch the "FitCloudPro" app and follow the on-screen instructions to create an account or log in.
- Pair Device: In the app, navigate to the device section and select "Add Device" or "Bind Device". The app will search for available devices. Select "I128" from the list.
- Confirm Pairing: A pairing request will appear on your watch. Tap to confirm. On your phone, you may need to confirm the Bluetooth pairing request.
- Grant Permissions: Allow the app to access necessary permissions (e.g., notifications, location, contacts) for full functionality.

Image 3.2: Detailed steps for downloading the FitCloudPro app, enabling Bluetooth, and pairing the smart watch with a smartphone.
3.3 Changing Watch Bands
Your Lefitus Smart Watch I128 comes with three interchangeable bands. To change a band:
- Locate the quick-release pins on the underside of the watch band where it connects to the watch body.
- Slide the pin inwards to detach the band from the watch.
- Align the new band with the watch body and slide the quick-release pin into place until it clicks securely.
- Gently pull on the band to ensure it is properly attached.
4. Operating Instructions
4.1 Basic Navigation
- Touch Screen: Swipe left/right, up/down to navigate through menus and features. Tap to select.
- Side Button: Press to wake the screen, return to the home screen, or access the app list.
4.2 Bluetooth Calling
Once connected via Bluetooth, you can make, receive, and decline calls directly from your watch.
- Making Calls: Access the dial pad or frequent contacts list on the watch to initiate a call.
- Receiving Calls: When a call comes in, you can answer or decline directly from the watch screen.
- Audio Output: The watch features an HD microphone and speaker for clear communication.

Image 4.1: Interface for Bluetooth calling, displaying call logs, contact lists, and the dialer on the watch screen.
4.3 Smart Notifications
Receive real-time alerts for calls, messages, and social media notifications directly on your watch. Ensure the "FitCloudPro" app has notification permissions enabled on your phone.

Image 4.2: The watch displaying message reminders from popular social media and communication applications.
4.4 Voice Assistant
Interact with your phone's voice assistant through the watch. This allows for hands-free control of various functions, such as checking the weather or playing music.

Image 4.3: The voice assistant feature on the watch, demonstrating commands for weather inquiries and music playback.
4.5 Watch Faces and Customization
Personalize your watch with over 100 available watch faces through the "FitCloudPro" app. You can also upload your own photos to create custom watch faces.

Image 4.4: A selection of customizable watch faces, including options to upload personal images for a unique display.
4.6 Other Functions
The smart watch includes a variety of practical features:
- Alarm Clock: Set alarms directly from the watch or app.
- Stopwatch & Timer: For timing activities.
- Music Control: Control music playback on your smartphone (play, pause, skip tracks).
- Find Phone: Locate your paired smartphone by making it ring.
- Sedentary Reminder: Alerts you to move after periods of inactivity.
- Weather Forecast: Displays current weather conditions and forecasts (requires app connection).
- Camera Control: Remotely trigger your phone's camera shutter.
- Drinking Water Reminder: Prompts you to drink water at set intervals.
- Breathing Training: Guided breathing exercises for relaxation.

Image 4.5: An overview of additional functions available on the smart watch, including utility and health-related features.
5. Health Monitoring
The Lefitus Smart Watch I128 provides comprehensive health tracking features to help you monitor your well-being.
5.1 Heart Rate and Blood Oxygen Monitoring
The watch can continuously monitor your heart rate and measure blood oxygen levels. View real-time data on the watch or detailed historical data in the "FitCloudPro" app.

Image 5.1: The watch and companion app displaying heart rate, blood oxygen, and blood pressure monitoring data.
5.2 Sleep Quality Tracker
The watch automatically records your sleep patterns, including deep sleep, light sleep, and awake times. This data helps you understand and improve your sleep habits.

Image 5.2: The sleep monitoring feature, illustrating how the watch tracks different sleep stages and duration.
5.3 Women's Health Tracking
The watch supports tracking of women's physiological cycles, including menstrual period, safe period, and fertile period. This feature requires setup in the "FitCloudPro" app.

Image 5.3: The women's health reminder interface, showing menstrual cycle tracking and predictions.
6. Sports Modes and Activity Tracking
The Lefitus Smart Watch I128 offers over 130 sports modes to accurately track your workouts and daily activity.
- Supported Modes: Running, cycling, skipping, basketball, climbing, yoga, and many more.
- Activity Metrics: Tracks steps, calories burned, exercise distance, and time.
- GPS: Utilizes your smartphone's GPS for accurate route tracking during outdoor activities.

Image 6.1: An array of sports modes available, with the watch tracking real-time activity metrics like steps, calories, and distance.

Image 6.2: All-day activity tracking, showing a map of a route and key metrics like heart rate, distance, calories, and steps.
7. Maintenance
7.1 Water Resistance (IP68)
The Lefitus Smart Watch I128 is IP68 waterproof, meaning it is resistant to dust and can withstand immersion in water up to 1.5 meters for up to 30 minutes. It is suitable for daily use such as hand washing, rain, and sweating.
Important Considerations:
- Do not use the watch in hot water, saunas, or steam rooms.
- Avoid prolonged immersion or high-pressure water activities (e.g., diving, high-speed water sports).
- Water resistance is not a permanent condition and may decrease over time with normal wear and tear.
- Do not charge the watch if it is wet.

Image 7.1: Visual representation of the watch's IP68 water resistance for everyday activities.
7.2 Cleaning and Care
- Wipe the watch and bands regularly with a soft, damp cloth.
- Avoid using harsh chemicals or abrasive materials.
- Ensure the charging contacts are clean and dry before charging.
7.3 Battery Care
- Avoid fully discharging the battery frequently.
- Charge the watch using the provided charging cable.
- Store the watch in a cool, dry place when not in use for extended periods.
8. Troubleshooting
If you encounter issues with your Lefitus Smart Watch I128, refer to the following common problems and solutions:
8.1 Connectivity Issues (Watch Not Paired)
- Check Bluetooth: Ensure Bluetooth is enabled on your smartphone and the watch.
- App Connection: Open the "FitCloudPro" app to ensure it is actively connected to the watch. Sometimes, the app needs to be opened to re-establish the connection.
- Restart Devices: Try restarting both your smartphone and the smart watch.
- Re-pair: If issues persist, unpair the watch from your phone's Bluetooth settings and re-pair it through the "FitCloudPro" app.
- Distance: Ensure the watch is within Bluetooth range of your phone.
8.2 Inaccurate Health Data
- Proper Fit: Ensure the watch is worn snugly on your wrist, about one finger's width above the wrist bone. It should not be too tight or too loose.
- Clean Sensors: Make sure the sensors on the back of the watch are clean and free from dirt or sweat.
- Movement: For accurate readings, try to remain still during measurements.
- Not Medical Device: Remember that the watch is not a medical device and its readings are for reference only.
8.3 Short Battery Life
- Screen Brightness: Reduce screen brightness.
- Vibrations: Limit frequent notifications and vibrations.
- Continuous Monitoring: Turn off continuous heart rate or blood oxygen monitoring if not needed.
- Bluetooth Audio: If Bluetooth call audio is enabled, consider turning it off when not in use, as it consumes more power.
- Background Apps: Close unnecessary background apps on your watch.
8.4 Activity Data Not Saving/Syncing
- App Permissions: Verify that the "FitCloudPro" app has all necessary permissions, especially for storage and background activity.
- App Sync: Ensure the app is open and connected to the watch to allow data synchronization.
- Reinstall App: If persistent, try reinstalling the "FitCloudPro" app on your smartphone.
9. Specifications
| Feature | Specification |
|---|---|
| Model Number | I128 |
| Product Dimensions | 1.42 x 1.73 x 0.43 inches |
| Item Weight | 7 ounces |
| Screen Size | 1.83 Inches HD Full Touch Color Screen |
| Battery Capacity | 300 Milliamp Hours (Lithium Polymer) |
| Connectivity | Bluetooth 5.0 |
| Operating System Compatibility | iOS 8.0 & Android 5.0 and above |
| Water Resistance | IP68 |
| Special Features | Activity Tracker, Bluetooth Call, Heart Rate Monitor, Information Notification, Sleep Monitor, 130+ Sports Modes, Women's Health, Voice Assistant, Music/Camera Control |
| GPS | Via Smartphone |

Image 9.1: Product dimensions and wristband size for the Lefitus Smart Watch I128.
10. Warranty and Support
Lefitus is committed to providing high-quality products and customer service.
- Warranty: Your Lefitus Smart Watch I128 comes with a 12-month warranty from the date of purchase. This warranty covers manufacturing defects.
- Customer Support: For any questions, technical assistance, or warranty claims, please contact Lefitus customer service. We offer 24/7 online customer support.
- Manufacturer: Shenzhen Forca Technology Co., Ltd
- Seller: Lefitus Direct

Image 10.1: Customer support icon, indicating availability for assistance.



