Introduction
Welcome to the user manual for your SUNKTA TX12-C Smart Watch. This guide provides detailed instructions on how to set up, operate, and maintain your device, ensuring you get the most out of its advanced features. Please read this manual thoroughly before using your smartwatch.
Setup Guide
1. Unboxing and Initial Charge
Upon opening the package, ensure all components are present: SUNKTA TX12-C Smart Watch, two magnetic charging cables (USB and Type-C), and two watch bands (metal and silicone). Before first use, fully charge the smartwatch using one of the provided charging cables. A full charge typically takes approximately 2 hours.

Image: SUNKTA TX12-C Smart Watch with included accessories, showing the watch, two charging cables, and two interchangeable bands.
2. App Installation and Pairing
To utilize all features of your smartwatch, download the "FitCloudPro" app from the App Store (iOS) or Google Play (Android). Ensure Bluetooth is enabled on your smartphone. Open the app, follow the on-screen instructions to find and connect to your TX12-C smartwatch. Allow necessary permissions for notifications and other functionalities.

Image: Step-by-step guide on connecting the smartwatch to a smartphone using the FitCloudPro application, including enabling Bluetooth and pairing.
Operating Instructions
Basic Navigation
- Touchscreen: Swipe left, right, up, or down to navigate through menus and features. Tap to select.
- Side Buttons: Use the physical buttons on the side for quick access to specific functions or to return to the home screen.
Bluetooth Calling
Once paired with your phone, the TX12-C allows you to make and receive calls directly from your wrist. Ensure Bluetooth calling is enabled in the app settings. Use the integrated speaker and microphone for clear communication.

Image: The smartwatch displaying a phone call interface, demonstrating its Bluetooth calling capability.
Notifications
Receive real-time alerts from social media apps (Facebook, Twitter, WhatsApp, etc.) and other messages directly on your smartwatch. Configure notification settings within the FitCloudPro app.

Image: The smartwatch screen showing notifications from various social media applications.
Key Features
Health Tracking
The TX12-C monitors your heart rate, blood oxygen, and blood pressure 24/7. It also provides automatic sleep tracking, offering insights into your sleep patterns (awake, light, and deep sleep). All data syncs to the FitCloudPro app for comprehensive health overview. Note: Measurements are for reference only and are not medical data.

Image: The smartwatch displaying heart rate and blood oxygen data, illustrating its health monitoring capabilities.
Sports Modes
With over 100 sports modes, the smartwatch tracks various activities including walking, running, cycling, tennis, and more. It monitors key metrics such as steps, distance, calories, and exercise duration to help optimize your training.

Image: The smartwatch interface showing a selection of over 100 sports modes, with a snowboarder in the background.
Flashlight Function
The smartwatch includes a built-in flashlight feature, useful for outdoor activities at night, finding items in the dark, or during power outages. Activate it with a single click.

Image: The smartwatch demonstrating its strong flashlight feature, highlighting its utility in various low-light situations.
Other Functions
The TX12-C also offers AI voice assistant, music control, camera remote control, weather display, alarm clock, sedentary reminder, water reminder, and a "Find My Phone" feature.

Image: The smartwatch interface showcasing additional features such as calculator, world clock, music control, and camera remote.
Maintenance
Cleaning
Regularly clean your smartwatch with a soft, dry cloth. For stubborn dirt, a slightly damp cloth can be used. Avoid harsh chemicals or abrasive materials.
Water Resistance
The TX12-C is 5ATM water-resistant, protecting it from splashes, rain, and sweat. It is suitable for swimming in shallow water but not for diving or high-pressure water activities. Do not operate buttons underwater.

Image: The smartwatch being exposed to water, illustrating its water-resistant design.
Battery Care
To prolong battery life, avoid extreme temperatures. Charge the device using only the provided cables. The 1000mAh battery offers up to 25 days of typical use and over 45 days of standby time.

Image: The smartwatch emphasizing its 1000mAh battery capacity, indicating extended usage and standby times.
Troubleshooting
| Problem | Solution |
|---|---|
| Smartwatch not turning on | Ensure the device is fully charged. Connect it to the charger for at least 30 minutes. |
| Cannot pair with phone | Check if Bluetooth is enabled on your phone. Restart both the phone and the smartwatch. Ensure the FitCloudPro app is updated. |
| Notifications not appearing | Verify notification permissions are granted to the FitCloudPro app in your phone's settings. Check app settings for specific notification toggles. |
| Inaccurate health data | Ensure the watch is worn snugly on your wrist. Clean the sensor on the back of the watch. Remember, data is for reference, not medical diagnosis. |
Specifications
- Model: TX12-C
- Screen Size: 2.01 Inches TFT Display
- Resolution: 320 x 390
- Battery Capacity: 1000mAh Lithium Polymer
- Connectivity: Bluetooth BLE 5.3
- Water Resistance: 5ATM (50 Meters)
- Compatibility: Android 4.4+ / iOS 8.0+
- Chip: RTL8773EWE Dual-Core
- Case Material: TC4 Titanium Alloy
- Included: Smartwatch, 2 Charging Cables (USB & Type-C), 2 Watch Bands (Metal & Silicone), User Manual
Warranty & Support
SUNKTA provides a 24-month worry-free product warranty, which includes replacement, return, or accessory replacement services. For any questions or concerns regarding your smartwatch, please contact SUNKTA customer support. Refer to the contact information provided in your product packaging or on the official SUNKTA website.