1. Introduction
Welcome to the user manual for your new SUNKTA Military Smart Watch EF17-C-US. This device is designed to be a robust and versatile companion for your daily life and outdoor activities, featuring an AMOLED display, integrated flashlight, Bluetooth calling, and extensive health and fitness tracking capabilities. Please read this manual thoroughly to ensure proper usage and to maximize your experience with the watch.
Figure 1: SUNKTA Military Smart Watch EF17-C-US with various display modes and strap options.
2. What's in the Box
Upon opening your product packaging, verify that all the following items are included:
- Smart Watch
- Metal Strap
- Silicone Strap
- Strap Accessories
- Charger
- User's Manual (this document)
3. Product Overview
The SUNKTA EF17-C-US Smart Watch combines a durable design with advanced functionality.
3.1 Display and Design
The watch features a 2.13-inch AMOLED HD display, offering clear and vibrant visuals in various lighting conditions. Its square design is complemented by a robust zinc alloy shell and includes options for both metal and breathable silicone straps.
Figure 2: Detail of the 2.13-inch AMOLED display and watch casing.
3.2 Integrated LED Flashlight
A unique feature of this smartwatch is its built-in LED flashlight, providing convenient illumination for various situations, such as night activities or power outages.
Figure 3: The watch's integrated LED flashlight in use.
4. Setup Guide
4.1 Initial Charging
Before first use, fully charge your smartwatch. Connect the provided magnetic charger to the charging contacts 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 1-2 hours.
Figure 4: Battery life and charging efficiency of the smartwatch.
4.2 App Installation
To unlock the full potential of your smartwatch, download and install the FitCloudPro application on your smartphone. The app is available for both iOS and Android devices. Search for "FitCloudPro" in your device's app store.
4.3 Device Pairing
After installing the app and fully charging your watch:
- Ensure Bluetooth is enabled on your smartphone.
- Open the FitCloudPro app and follow the on-screen instructions to add a new device.
- Select your SUNKTA EF17-C-US from the list of available devices.
- Confirm the pairing request on both your watch and smartphone.
The watch is compatible with iOS 11.0 and above (calls require iOS 13 and above) and Android 5.0 and above, utilizing Bluetooth 4.0 or higher.
5. Operating Instructions
5.1 Basic Navigation
Navigate the watch interface using touch gestures on the AMOLED screen. Swipe left, right, up, or down to access different functions and menus. The side button, which may also be a rotary crown, can be used for screen wake-up, menu access, or scrolling.
5.2 Bluetooth Calling and Message Notifications
Once paired with your smartphone, the watch allows you to answer and make calls directly from your wrist. It also synchronizes notifications from various platforms, including SMS, WhatsApp, and email.
Figure 5: Bluetooth calling interface and message reminders on the watch.
5.3 Sports Modes
The watch supports over 100 sports modes, allowing you to track various physical activities. Select your desired sport from the watch's menu to record data such as steps, calories burned, distance, and heart rate.
Figure 6: Overview of the 100+ sports modes available for tracking.
5.4 Health Monitoring
Monitor your health metrics with the integrated sensors. The watch can track:
- Heart Rate
- Blood Oxygen (SpO2)
- Sleep Quality
- Pedometer (Step Count)
- Calorie Consumption
Note: The data provided by this watch is for general fitness reference only and should not be used for professional medical diagnosis.
Figure 7: Health monitoring features including heart rate, blood oxygen, and sleep data.
5.5 Additional Features
The SUNKTA EF17-C-US includes several other useful functions:
- Weather Forecast
- Stopwatch
- Timer
- Music Control
- Brightness Adjustment
- Find Phone
- Alarm Clock
- Camera Control
- Calculator
Figure 8: Overview of additional smart watch functionalities.
6. Maintenance
6.1 Water Resistance
The SUNKTA EF17-C-US is rated 5ATM and IP68 waterproof, meaning it can withstand sweat, rain, handwashing, and swimming. Avoid prolonged exposure to hot water or steam, and do not press buttons underwater.
Figure 9: The watch's 5ATM water resistance for various activities.
6.2 Cleaning
To maintain the watch's appearance and functionality, regularly clean the screen and straps with a soft, dry cloth. If necessary, a slightly damp cloth can be used for the watch body, ensuring it is dried thoroughly afterward. Avoid using harsh chemicals or abrasive materials.
7. Troubleshooting
If you encounter any issues with your SUNKTA EF17-C-US Smart Watch, consider the following common solutions:
- Watch not turning on: Ensure the watch is fully charged. Connect it to the charger for at least 30 minutes.
- Cannot pair with phone: Check that Bluetooth is enabled on your phone and the watch is within range. Restart both the watch and your phone, then try pairing again through the FitCloudPro app.
- Notifications not received: Verify that notification permissions are granted to the FitCloudPro app in your phone's settings. Also, ensure the app is running in the background.
- Inaccurate health data: Ensure the watch is worn snugly on your wrist, not too tight or too loose. Clean the sensor on the back of the watch.
- Short battery life: Reduce screen brightness, disable unnecessary features, or limit continuous heart rate monitoring.
For persistent issues or further assistance, please contact SUNKTA customer support.
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | EF17-C-US |
| Display | 2.13 Inches AMOLED HD Touch Screen |
| Battery Capacity | 500 mAh Lithium Polymer |
| Battery Life (Normal Use) | 5-7 Days |
| Standby Time | Up to 25 Days |
| Charging Time | 1-2 Hours |
| Water Resistance | 5ATM & IP68 |
| Connectivity | Bluetooth 5.0 |
| Compatibility | iOS 11.0+ (iOS 13+ for calls), Android 5.0+ |
| Operating System | AsteroidOS |
| Memory Storage Capacity | 1 GB |
| Item Weight | 3.17 ounces |
| Package Dimensions | 7.87 x 3.54 x 0.79 inches |
| Special Features | LED Flashlight, Always-On Display, Weather Forecast, Stopwatch, Timer, Music Control, Pedometer, Brightness Adjustment, Find Phone, Alarm Clock, Camera Control, Calculator |
9. Warranty and Support
Your SUNKTA Military Smart Watch EF17-C-US comes with a 24-month warranty from the date of purchase, covering manufacturing defects. Additionally, SUNKTA offers a 6-month return service and 24-hour online support for any inquiries or issues you may encounter.
For warranty claims, technical support, or any operational questions, please contact SUNKTA customer service through the contact information provided with your purchase or on the official SUNKTA website.
Figure 10: Example of the watch's calling feature.
