Introduction
This manual provides detailed instructions for setting up, operating, and maintaining your SUNKTA FV16 Smart Watch. Please read this manual thoroughly before using the device to ensure proper function and longevity.
What's in the Box
Upon unboxing your SUNKTA FV16 Smart Watch, please verify that all the following items are included:
- SUNKTA FV16 Smart Watch
- Charging Cable
- Stainless Steel Strap
- Silicone Strap
- Tool Accessories (for strap adjustment)
- Instruction Manual (this document)
Setup Guide
1. Charging the Smart Watch
Before initial use, fully charge your smart watch. Connect the charging cable to the charging port on the back of the watch and to a USB power adapter (not included) or a computer's USB port.

Image: The SUNKTA FV16 Smart Watch connected to its charging cable, displaying a 'Fully Charged' indicator on its screen. This image illustrates the charging process and the watch's battery life indicators.
- Charging Time: Approximately 2 hours for a full charge.
- Battery Life: Up to 7 days with normal use, up to 15 days in power-saving mode.
2. App Installation and Pairing
To unlock the full functionality of your smart watch, download and install the companion app on your smartphone. The app name is typically found in the watch's initial setup screen or the quick start guide. Search for it on your phone's app store (Google Play Store for Android, Apple App Store for iOS).
- Download the official app.
- Enable Bluetooth on your smartphone.
- Open the app and follow the on-screen instructions to create an account or log in.
- Select "Add Device" or "Pair Device" within the app.
- Locate "FV16" or a similar device name in the list of available Bluetooth devices and tap to connect.
- Confirm the pairing request on both your phone and the watch.
The watch is compatible with Android 5.0+ and iOS 8.0+ smartphones. The one-click calling function requires iOS 13+.
Operating Instructions
1. Basic Navigation
The SUNKTA FV16 features a 1.32" AMOLED HD touchscreen display for intuitive interaction.
- Swipe Up/Down: Navigate through menus and notifications.
- Swipe Left/Right: Access quick functions or widgets.
- Tap: Select an item or confirm an action.
- Side Button(s): Typically used for power on/off, returning to the home screen, or accessing the app list.
2. Bluetooth Calls and Notifications
Once paired with your smartphone, the watch allows you to manage calls and receive notifications directly on your wrist.

Image: The SUNKTA FV16 Smart Watch screen showing various icons related to Bluetooth calls (dial, built-in mic, answer/make calls, contacts) and social media notifications (Facebook, Instagram, WhatsApp, etc.). This illustrates the watch's communication features.
- Answering/Making Calls: Use the built-in microphone and speaker to handle calls directly from the watch.
- Message Notifications: Receive alerts for incoming calls, text messages, and social media apps (Twitter, Facebook, Instagram, WhatsApp, Pinterest, YouTube, LinkedIn, etc.).
3. Customizing Watch Faces
Personalize your watch with over 200 available watch faces through the companion app. You can also create custom watch faces using your own photos.

Image: The SUNKTA FV16 Smart Watch displaying different watch faces, alongside a smartphone screen showing the companion app's interface for selecting and customizing watch faces. This highlights the watch's display and personalization features.
4. Sports Modes and Fitness Tracking
The watch supports over 100 sports modes to track your physical activities. It records data such as steps, calories burned, distance, and heart rate.

Image: The SUNKTA FV16 Smart Watch screen showing exercise data like time, calories, steps, and distance. Below, various sport icons are displayed, indicating the watch's multi-sport tracking capabilities.
- Select your desired sport mode from the watch menu before starting an activity.
- Data is automatically recorded and can be synchronized with the app for detailed analysis.
5. Health Monitoring
The FV16 Smart Watch provides comprehensive health monitoring features:

Image: The SUNKTA FV16 Smart Watch screen showing sleep monitoring data (deep sleep, light sleep, awake) and individual displays for heart rate, blood oxygen, and stress levels. This illustrates the watch's health tracking capabilities.
- Heart Rate: Continuous 24-hour heart rate monitoring.
- Blood Oxygen (SpO2): Measures blood oxygen saturation levels.
- Stress Monitoring: Provides insights into your stress levels.
- Sleep Monitoring: Tracks deep sleep, light sleep, and awake times to help understand sleep quality.
- Women's Health: Features menstrual cycle management, including period and ovulation tracking.

Image: The SUNKTA FV16 Smart Watch screen showing a "Cycle Tracking" interface with icons for ovulation, menstruation, pregnancy, and safe period. This highlights the watch's dedicated women's health monitoring features.
Note: Health data is for reference only and should not be used as professional diagnostic information.
6. Additional Features

Image: A collage showing various features of the SUNKTA FV16 Smart Watch, including an alarm reminder, relaxation exercise, remote camera control, music playback controls, and weather forecast display.
- Alarm Reminder: Set alarms directly from the watch or app.
- Music Control: Control music playback (play, pause, skip tracks, adjust volume) on your smartphone.
- Remote Camera Control: Use the watch as a remote shutter for your smartphone's camera.
- Weather Forecast: View current weather conditions and forecasts.
- Sedentary Reminders: Get alerts to move if you've been inactive for too long.
- Intelligent Voice Assistant: Supports voice commands for various functions.
Maintenance
1. Waterproof Information
The SUNKTA FV16 Smart Watch has an IP68 waterproof rating, 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, including hand washing, rain, and swimming.

Image: The SUNKTA FV16 Smart Watch being worn on a wrist with water splashing, emphasizing its IP68 waterproof capability. This image also shows battery life indicators.
- Do NOT use in hot water, saunas, or steam rooms.
- Avoid exposure to highly corrosive places such as spas and seawater.
- Not suitable for diving or high-pressure water activities.
2. Cleaning and Care
- Wipe the watch and straps regularly with a soft, damp cloth.
- Avoid using harsh chemicals or abrasive cleaners.
- Ensure the charging contacts are clean and dry before charging.
3. Battery Care
- Avoid fully discharging the battery frequently.
- Store the watch in a cool, dry place if not used for extended periods.
- Use only the provided charging cable.
Troubleshooting
If you encounter issues with your SUNKTA FV16 Smart Watch, please refer to the following common solutions:
| Problem | Solution |
|---|---|
| Watch does not turn on | Ensure the watch is fully charged. Connect it to the charger for at least 10 minutes. |
| Cannot pair with smartphone |
|
| Notifications not received |
|
| Inaccurate health data |
|
| Screen is unresponsive | Restart the watch by pressing and holding the side button until it powers off, then power it back on. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | FV16 |
| Display | 1.32 Inches AMOLED HD Display |
| Battery Capacity | 200 mAh |
| Battery Type | Lithium Polymer (Nonstandard Battery) |
| Connectivity | Bluetooth 5.0 |
| Waterproof Rating | IP68 (5ATM) |
| Operating System | AsteroidOS |
| Memory Storage Capacity | 512 MB |
| Compatibility | Android 5.0+ / iOS 8.0+ (iOS 13+ for one-click calling) |
| Item Weight | 6.7 ounces |
| Special Features | Bluetooth Calling, 100+ Sports Modes, Heart Rate, SpO2, Sleep, Stress, Women's Health, Music Control, Camera Control, Weather, Notifications, Sedentary Reminder, Voice Assistant. |
Warranty and Support
SUNKTA provides a 365-day after-sales service for the FV16 Smart Watch. If you encounter any issues or have questions regarding your product, please contact SUNKTA customer support.
For support, please refer to the contact information provided with your purchase or visit the official SUNKTA website.
Important Safety Information
- Do not attempt to disassemble or modify the watch.
- Keep the watch away from extreme temperatures and direct sunlight.
- Consult a medical professional before starting any new exercise regimen or if you have health concerns.
- Dispose of the device and its battery according to local regulations.