1. Introduction
Thank you for choosing the SUNKTA Military Smartwatch for Men, Model EF24-D. This device combines robust design with advanced smart features, including Bluetooth calling, comprehensive health monitoring, and multiple sports modes. This manual provides essential information to help you set up, operate, and maintain your smartwatch.
2. What's in the Box
- SUNKTA Military Smartwatch (Model EF24-D)
- 3 x Watch Straps (various styles)
- 2 x Magnetic Charging Cables (USB and Type-C)
- User Manual
Image: The smartwatch, three interchangeable straps, and two charging cables are included in the package.
3. Setup
3.1 Charging the Smartwatch
Before first use, fully charge your smartwatch. Connect one of the provided magnetic charging cables (USB or Type-C) to a power source and attach the magnetic end to the charging points on the back of the watch. A full charge takes approximately 2 hours. The 1000 mAh battery provides 7 to 10 days of continuous use, depending on activity intensity.
Image: The smartwatch connected to its magnetic charging cable, indicating a 1000 mAh battery capacity.
3.2 Attaching the Straps
Your smartwatch comes with three interchangeable straps. To attach a strap, align the spring bar with the lug holes on the watch case and slide the pin into place. Ensure both sides are securely fastened. To remove, pull the spring bar lever and gently detach the strap.
3.3 Pairing with Your Smartphone
- Download the companion app (refer to the QR code in the quick start guide or search for 'SUNKTA Smart' in your app store) on your iOS or Android device.
- Ensure Bluetooth is enabled on your smartphone.
- Open the app and follow the on-screen instructions to create an account and add your device.
- The app will guide you through the pairing process. Confirm the pairing request on both your phone and the smartwatch.
4. Operating Instructions
4.1 Basic Navigation
The smartwatch features a 1.7-inch HD touchscreen. Swipe left, right, up, or down to navigate through menus and features. Press the side buttons for quick access to specific functions or to return to the home screen.
Image: The 1.7-inch HD display showcasing a detailed watch face with time and health data.
4.2 Bluetooth Calling
Once paired, you can make and receive calls directly from your wrist. The watch features a high-definition speaker and dual noise-reduction microphones for clear audio. Access recent call history, frequent contacts, or use the dialer from the watch interface. You can answer or reject calls with a tap.
Image: The smartwatch and a smartphone displaying Bluetooth call functionality.
4.3 Notifications
Receive vibration alerts for incoming calls, SMS, emails, and notifications from various applications (e.g., Facebook, WhatsApp, LinkedIn, Instagram). Ensure push notification permissions are enabled on your smartphone for the companion app. Note that direct replies to messages are not supported. For WhatsApp, set notifications to 'Always show comments' for full visibility. Notifications will not be sent when your phone's software is connected to a computer.
4.4 Health Monitoring
The smartwatch continuously monitors your heart rate and blood oxygen saturation. It also offers breathing exercises. All health data is synchronized with your smartphone app to generate weekly health reports. Disclaimer: These data are for reference only and should not be considered medical advice.
Image: Health monitoring features including heart rate, blood oxygen, sleep tracking, and breathing exercises.
4.5 Sports Modes
The smartwatch supports over 100 sports modes, including 8 common workout types directly on the watch and additional activities via the app (e.g., tennis, rugby, golf, yoga, cycling, skiing, weightlifting). It tracks daily steps, exercise duration, distance, and calories burned, with real-time heart rate monitoring during workouts.
Image: The smartwatch interface showing multiple sports modes and activity tracking data.
4.6 LED Flashlight
Activate the high-brightness LED flashlight directly from your watch. This feature provides reliable illumination for finding objects in dark environments or during outdoor night activities.
Image: The smartwatch with its LED flashlight activated, demonstrating its lighting capability.
4.7 Remote Control Functions
- Camera Control: Use your smartwatch as a remote shutter for your smartphone camera to take selfies or group photos.
- Music Control: Play, pause, skip tracks, or adjust volume for music playing on your connected smartphone.
4.8 Other Features
- Smart Alarms: Set alarms that gently wake you.
- Watch Faces: Choose from over 200 online watch faces or create your own custom DIY faces.
- AI Voice Assistant: Interact with your smartwatch using voice commands (e.g., "What's the weather?").
- Weather Forecast: Get real-time weather updates directly on your wrist.
5. Maintenance
5.1 Cleaning
Regularly clean your smartwatch and straps with a soft, dry cloth. For stubborn dirt, a slightly damp cloth can be used. Avoid harsh chemicals or abrasive materials.
5.2 Water Resistance
The smartwatch is designed with basic waterproofing (IP68 rating). It is resistant to splashes and brief immersion in shallow water. However, it is not suitable for diving, hot tubs, saunas, or high-pressure water activities. Remove the watch before showering or swimming in chlorinated or saltwater to prevent damage.
5.3 Battery Care
To prolong battery life, avoid fully discharging the battery frequently. Charge the watch when the battery level is low. Store the watch in a cool, dry place and avoid extreme temperatures.
6. Troubleshooting
6.1 Connectivity Issues
- Ensure Bluetooth is enabled on your smartphone and the smartwatch.
- Make sure the smartwatch is within the Bluetooth range of your phone.
- Restart both your smartphone and the smartwatch.
- If issues persist, unpair the device from your phone's Bluetooth settings and re-pair through the companion app.
6.2 Notification Problems
- Verify that push notification permissions are granted to the companion app in your phone's settings.
- Check that the app is running in the background and not being closed by battery optimization settings.
- Ensure the 'Do Not Disturb' mode is not active on either your phone or the smartwatch.
- Remember that notifications are not sent when your phone's software is connected to a computer.
6.3 Inaccurate Health Data
- Ensure the watch is worn snugly on your wrist, but not too tight.
- Clean the sensors on the back of the watch regularly.
- Avoid excessive movement during measurements.
- Reiterate: Health data is for reference only and not medical advice. Consult a healthcare professional for medical concerns.
6.4 Screen Issues
- If the screen becomes partially or fully unreadable, try restarting the device.
- Ensure the screen is clean and free from moisture or debris.
- If the issue persists after a restart, contact customer support.
7. Specifications
| Model Number | EF24-D |
| Brand | SUNKTA |
| Screen Size | 1.7 Inches |
| Display Type | AMOLED |
| Battery Capacity | 1000 mAh (Lithium-polymer) |
| Average Battery Life | 7 days |
| Charging Time | 2 hours |
| Memory Storage | 256 MB |
| Connectivity | Bluetooth |
| GPS | Via smartphone |
| Operating System | Compatible with iOS and Android devices |
| Water Resistance | IP68 (Splash and brief immersion resistant) |
| Band Material | Stainless Steel, Silicone |
8. Warranty & Support
8.1 Warranty Information
This SUNKTA smartwatch comes with a 2-year warranty from the date of purchase, covering manufacturing defects. Please retain your proof of purchase for warranty claims. The warranty does not cover damage caused by misuse, accidents, unauthorized repairs, or normal wear and tear.
8.2 Customer Support
For any questions, technical assistance, or warranty claims, please contact SUNKTA customer support through the retailer's platform or the contact information provided in the product packaging. Please have your model number (EF24-D) and purchase details ready when contacting support.
Image: Customer service details including 24/7 online support, return policy, and warranty period.
