Introduction
This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your SUNKTA Smart Watch Model BW1846C-1. Please read this manual thoroughly to ensure proper use and to maximize the features of your device.
1. Setup
1.1. Package Contents
Upon unboxing your SUNKTA Smart Watch, verify that all components are present:
- SUNKTA Smart Watch (Model BW1846C-1)
- Magnetic Charging Cable
- User Manual
- Silicone Strap
- Stainless Steel Strap (if applicable to your model)
- Strap Adjustment Tool (for stainless steel strap)

Image: SUNKTA Smart Watch and included accessories.
Video: Unboxing the SUNKTA Smartwatch, showing the watch, straps, charger, and manual.
1.2. App Installation and Pairing
To unlock the full functionality of your smart watch, download and install the FitCloudPro application on your smartphone.
- Scan the QR code provided in the user manual or on the watch screen to download the FitCloudPro app from Google Play Store (Android) or Apple App Store (iOS).
- Ensure your phone's Bluetooth is enabled.
- Open the FitCloudPro app and follow the on-screen instructions to create an account or sign in.
- Navigate to the 'Devices' screen within the app and select 'Add Device'.
- The app will search for nearby devices. Select 'K-52' to pair with your smart watch.
- Confirm the pairing request on both your phone and the smart watch.

Image: Visual guide for connecting the smart watch to the FitCloudPro app via Bluetooth.
Video: Demonstrates the step-by-step process of connecting the smartwatch via Bluetooth to the companion app.
1.3. Strap Adjustment
If your smart watch comes with a stainless steel strap, you may need to adjust its length for a comfortable fit. Use the provided strap adjustment tool to remove or add links as necessary.

Image: The SUNKTA Smart Watch featuring a stainless steel metal strap.
Video: Instructions on how to adjust the length of the watch strap using the provided tool.
1.4. Charging the Device
Before first use, fully charge your smart watch. The device features a 400mAh battery, providing approximately 7-10 days of normal use and up to 30 days of standby time.
- Connect the magnetic charging cable to the charging port on the back of the watch.
- Connect the USB end of the cable to a power adapter (not included) or a computer's USB port.
- The watch screen will display a charging indicator.

Image: The smart watch connected to its magnetic charging cable, indicating the charging process.
2. Operating Instructions
2.1. Basic Navigation
The smart watch features a 1.39-inch HD touch screen with 360*360 pixels. Navigate through menus and features by swiping across the screen and tapping icons.
- Swipe Up/Down: Scroll through notifications or menu options.
- Swipe Left/Right: Access quick functions or different watch faces.
- Tap: Select an item or confirm an action.
- Side Buttons: Use for power on/off, back function, or quick access to sport modes.
2.2. Bluetooth Calls and Message Notifications
With its 5.0 Bluetooth chip, the smart watch allows for direct call management and message viewing.
- Making/Receiving Calls: Once paired, you can dial numbers directly from the watch or answer incoming calls. Ensure 'Call audio' and 'Media audio' are enabled in the app settings for full functionality.
- Message Notifications: Receive text messages and notifications from various social media apps (Twitter, Facebook, Instagram, SMS, WhatsApp, Email, WeChat) directly on your watch. You can preview messages, but replies are not supported.

Image: The smart watch showing an incoming Bluetooth call and various app notification icons.
2.3. Watch Face Customization
Personalize your smart watch with a variety of watch faces.
- The watch comes with 7 local classic UI designs.
- The FitCloudPro app offers access to almost 200 UI designs.
- You can also upload your own photos (selfies, family, pets, landscapes) to create personalized watch faces.

Image: Demonstrates the custom dial design feature, allowing users to personalize their watch face with various styles or personal photos.
2.4. Health Monitoring
The smart watch functions as a personal health assistant, providing continuous monitoring and data tracking.
- Heart Rate Monitoring: 24-hour heart rate tracking.
- Blood Pressure/Blood Oxygen: Real-time detection of blood pressure and blood oxygen levels.
- Sleep Monitoring: Records sleep time and detects sleep status (deep sleep, light sleep, REM).
- Monitoring data is saved for 30 days in the app, allowing you to track your physical condition and develop healthy routines.

Image: Illustrates the health monitoring capabilities of the smart watch, including heart rate, blood pressure, and sleep tracking.
2.5. Sports Modes
Track your athletic performance with over 100 sports modes.
- Includes modes for cycling, running, basketball, rugby, skiing, and more.
- Additional sports modes (ball sports, water sports, equipment sports) can be downloaded via the FitCloudPro app.
- Monitors critical data such as workout heart rate, distance traveled, movement speed, and calories burned in real-time.

Image: The smart watch interface showing various sports modes and tracking data like distance, calories, and steps.
2.6. Other Features
The smart watch includes a range of additional functionalities:
- AI Voice Assistant
- Weather Forecast (Fahrenheit/Celsius)
- Alarm Clock, Calculator, Stopwatch, Timer
- Breathing Exercises, Sedentary Reminder, Drinking Water Reminder
- Remote Camera Control, Music Control
- Passcode Lock, Find Phone/Watch function
- Business Card/Collection Code display
3. Maintenance
3.1. Waterproof Rating
The SUNKTA Smart Watch is 5ATM waterproof, meaning it can withstand pressures equivalent to a depth of 50 meters. It is suitable for splashes, rain, and swimming in shallow water. Avoid hot water, saunas, or diving.
Video: Demonstrates the durability and waterproof capabilities of the smart watch under various conditions.
3.2. Cleaning and Care
- Regularly clean the watch screen and strap with a soft, dry cloth.
- If the watch comes into contact with water, wipe it dry thoroughly.
- Avoid exposing the watch to extreme temperatures or harsh chemicals.
3.3. Battery Care
- Charge the watch using only the provided magnetic charging cable.
- Avoid completely draining the battery to 0% frequently, as this can affect battery longevity.
- Store the watch in a cool, dry place when not in use for extended periods.
4. Troubleshooting
4.1. Connectivity Issues
- Watch not connecting to app: Ensure Bluetooth is on and the watch is within range. Restart both the watch and your phone. Check if the FitCloudPro app has necessary permissions and is not being put into 'deep sleep' by your phone's battery optimization settings.
- Frequent disconnections: Verify that the FitCloudPro app is running in the background and has unrestricted battery usage.
4.2. Charging Problems
- Watch not charging: Ensure the magnetic charging cable is properly aligned with the watch's charging contacts. Check for any dust or debris in the charging port. Try a different USB power source.
- Slow charging: Use a certified USB power adapter.
4.3. Screen Unresponsive
- Restart the watch by long-pressing the power button.
- Ensure the screen is clean and dry.
5. Specifications
| Feature | Detail |
|---|---|
| Model Number | BW1846C-1 |
| Screen Size | 1.39 Inches HD Touch Screen (360*360 pixels) |
| Battery Capacity | 400mAh Lithium Polymer |
| Battery Life (Normal Use) | 7-10 Days |
| Standby Time | Up to 30 Days |
| Waterproof Rating | 5ATM |
| Connectivity | Bluetooth 5.0 |
| Operating System Compatibility | Android 4.4 and above, iOS 8.0 and above |
| Health Monitoring | Heart Rate, Blood Pressure, Blood Oxygen, Sleep Tracking |
| Sports Modes | 100+ modes (cycling, running, basketball, etc.) |
| Special Features | Bluetooth calls, AI voice assistant, GPS via smartphone, password lock, find device, calculator, weather forecast, music/camera control, multiple languages |
| Product Dimensions | 5.91 x 2.95 x 0.91 inches |
| Item Weight | 7.8 ounces |
6. Warranty and Support
Your SUNKTA Smart Watch comes with a 12-month warranty. If you encounter any issues with your device, including accessories, quality concerns, operation, or charging, please contact our customer support. We are committed to providing a solution within 24 hours.
For support, please refer to the contact information provided in your product packaging or visit the official SUNKTA website.





