1. Introduction
Thank you for choosing the SUNKTA Smart Watch FV15-F2. This manual provides essential information for setting up, operating, and maintaining your device. Please read it carefully to ensure optimal performance and longevity of your smartwatch.
The SUNKTA FV15-F2 is a robust smartwatch designed for daily use and outdoor activities, featuring a large 1.85-inch HD display, Bluetooth calling capabilities, comprehensive health monitoring, and an integrated LED flashlight. It is compatible with both Android and iOS smartphones.

Image: SUNKTA Smart Watch FV15-F2 highlighting its key features.
2. Package Contents
Verify that all items are present in your package:
- Smartwatch × 1
- Black Steel Band × 1
- Silicone Strap × 1
- Magnetic Charger × 1
- Strap Replacement Tool × 1
- User Manual × 1
3. Setup Guide
3.1 Charging the Smartwatch
Before first use, fully charge your smartwatch. Connect the magnetic charger 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. A full charge typically takes approximately 2.5 hours.

Image: Smartwatch charging with magnetic charger, illustrating battery life estimates.
3.2 App Installation (FitCloudPro)
To unlock all features and synchronize data, download the FitCloudPro app on your smartphone. Search for "FitCloudPro" in the Apple App Store (for iOS) or Google Play Store (for Android) and install it.
3.3 Device Pairing
- Ensure your smartwatch is charged and powered on.
- Enable Bluetooth on your smartphone.
- Open the FitCloudPro app and follow the on-screen instructions to add your device. The app will search for available devices.
- Select "FV15-F2" from the list of found devices to initiate pairing.
- Confirm the pairing request on both your smartphone and the smartwatch.
- Grant necessary permissions within the app for full functionality, including notifications, health data access, and calling features.
3.4 Strap Adjustment
The metal band can be adjusted by removing links using the provided strap replacement tool. For the silicone strap, simply adjust the buckle for a comfortable fit. Ensure the watch is snug but not too tight on your wrist for accurate health monitoring.
4. Operating Instructions
4.1 Basic Navigation
The smartwatch features a 1.85-inch HD touchscreen and physical buttons for navigation:
- Touchscreen: Swipe left/right, up/down to navigate through menus and features. Tap to select.
- Side Buttons: Typically, one button serves as a power/back button, while others may provide quick access to specific functions or sports modes. Refer to the watch interface for specific button assignments.
4.2 Bluetooth Calling & Notifications
Once paired with your smartphone via Bluetooth 5.2, you can manage calls and receive notifications directly on your watch.
- Making/Answering Calls: Use the watch's dial pad or contact list to make calls. Incoming calls can be answered or rejected from the watch. The built-in 60dB speaker and noise-cancelling microphone ensure clear communication.
- Message Alerts: Receive notifications from SMS, Facebook, WhatsApp, TikTok, and other apps. Ensure app permissions are granted in the FitCloudPro app.
- Voice Assistant: Activate the voice assistant on your watch to issue commands, such as checking weather or initiating calls.

Image: Smartwatch displaying call interface, voice assistant interaction, and various app notifications.
4.3 Health Monitoring
The FV15-F2 provides continuous health tracking features:
- Heart Rate: Monitors your heart rate 24 hours a day.
- Blood Oxygen (SpO2): Measures blood oxygen levels in real-time.
- Blood Pressure: Provides real-time blood pressure readings. Note: Health data from the watch is for reference only and should not be used as a substitute for medical-grade measurements.
- Sleep Tracking: Records your sleep patterns, including deep sleep, light sleep, and awake times, to help you understand and improve your sleep quality.
- Breathing Exercises: Guided breathing exercises for stress reduction.

Image: Smartwatch showing health data screens for heart rate, blood oxygen, and blood pressure.
4.4 Sports Modes & Activity Tracking
With over 100 sports modes, the watch tracks various physical activities:
- Activity Tracking: Monitors steps, distance, and calories burned throughout the day.
- Workout Data: Provides detailed metrics for each sport mode, including exercise time, heart rate, and performance insights.

Image: Smartwatch in use during swimming, demonstrating its waterproof design and sports tracking.
4.5 LED Flashlight
The integrated LED flashlight offers three modes:
- Steady Mode: Constant illumination.
- Flash Mode: Flashing light for signaling.
- SOS Mode: Emits an SOS signal in emergencies.
The flashlight has an illumination range of 6-8 meters, suitable for camping, hiking, or emergency situations. Caution: Do not direct the light towards eyes.

Image: Smartwatch flashlight in action, demonstrating its utility in various dark environments.
4.6 Other Functions
The smartwatch includes a variety of additional features:
- Pedometer
- Alarm Clock
- Stopwatch & Timer
- Calculator
- Weather Forecast
- Music Playback & Control
- Remote Camera Control
- Calendar
- Activity Reminders (e.g., sedentary reminder)
- Password Lock
- Find Watch & Phone function
- Multiple Language Support (27 languages)
- Customizable Watch Faces (120+ UI watch dials available via app)

Image: Smartwatch interface showing weather, music control, alarm, and other utility features.
5. Maintenance
5.1 Water Resistance (IP68)
The SUNKTA FV15-F2 is IP68 waterproof, meaning it is resistant to dust and can withstand immersion in water up to 1.5 meters for 30 minutes. It is suitable for daily use, hand washing, and light rain.
Important Note: Due to factors such as water pressure and temperature, wearing the smartwatch while showering, bathing, or in hot tubs is not recommended. The steam and hot water can severely damage the product's waterproof capabilities and internal components.
5.2 Cleaning
Regularly clean your smartwatch and straps with a soft, dry cloth. If necessary, use a slightly damp cloth and mild soap, then dry thoroughly. Avoid harsh chemicals or abrasive materials.
5.3 Battery Care
To prolong battery life:
- Avoid extreme temperatures.
- Charge the watch fully before long periods of inactivity.
- Do not leave the watch uncharged for extended periods.
- The 800mAh battery provides approximately 7-12 days of heavy use, 14+ days of daily use, and over 60 days in energy-saving mode.
6. Troubleshooting
If you encounter issues with your smartwatch, refer to the following common solutions:
| Problem | Possible Solution |
|---|---|
| Watch does not power on | Ensure the watch is fully charged. Connect to the magnetic charger and wait a few minutes before attempting to power on again. |
| Cannot pair with smartphone | Check if Bluetooth is enabled on your phone. Ensure the FitCloudPro app has necessary permissions. Restart both the watch and phone, then try pairing again. Make sure the watch is not already paired with another device. |
| Notifications not received | Verify that notification permissions are enabled for the FitCloudPro app in your phone's settings. Ensure the app is running in the background and not restricted by battery optimization. Check if 'Do Not Disturb' mode is active on the watch or phone. |
| Inaccurate health readings | Ensure the watch is worn snugly on your wrist, not too loose or too tight. Clean the sensors on the back of the watch. Remember that readings are for reference and not medical-grade. |
| Short battery life | Reduce screen brightness, disable continuous heart rate monitoring if not needed, limit frequent notifications, and close unused apps on the watch. |
6.1 Factory Reset
If problems persist, you may perform a factory reset. This will erase all data on the watch and restore it to its original settings. Navigate to the watch's settings menu, find the 'System' or 'Reset' option, and confirm the factory reset.
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | FV15-F2 |
| Display | 1.85-inch HD Touchscreen, 360*360 pixels |
| Battery Capacity | 800mAh Lithium Polymer |
| Charging Time | Approx. 2.5 hours |
| Battery Life | 7-12 days (heavy use), 14+ days (daily use), 60+ days (energy-saving mode) |
| Connectivity | Bluetooth 5.2 |
| Operating System Compatibility | Android 6.0 or higher, iOS 9.0 or higher |
| Water Resistance | IP68 |
| Sensors | Heart Rate, Blood Oxygen, Blood Pressure |
| Special Features | LED Flashlight (3 modes), Bluetooth Calls, Voice Assistant, 100+ Sports Modes, Music Control, Remote Camera, Weather Forecast, Calculator, Alarm, Timer, Pedometer |
| Item Weight | 7.4 ounces |
| Dimensions | 8.11 x 3.78 x 0.94 inches (Package) |
8. Warranty and Support
8.1 Warranty Information
The SUNKTA Smart Watch FV15-F2 comes with a 2-year warranty from the date of purchase. This warranty covers manufacturing defects and ensures your product is free from material and workmanship flaws under normal use.
8.2 Customer Support
For any questions, technical assistance, or warranty claims, please contact SUNKTA customer service. Our dedicated service team aims to respond within 24 hours and provide the best possible solution.
You can typically reach customer support through the platform where you purchased the product (e.g., Amazon's messaging system for sellers).

Image: SUNKTA warranty and customer support details.
9. Product Video Guide
For a visual guide on setting up and using your SUNKTA Smart Watch FV15-F2, please watch the detailed instruction video below:
Video: Comprehensive guide for the SUNKTA Smart Watch FV15-F2, covering various features and operations.