1. Introduction
Thank you for choosing the SGNICS KC86 Smartwatch. This device is designed to enhance your daily life with its advanced features, including a vibrant AMOLED display, Bluetooth calling, comprehensive health monitoring, and robust outdoor functionalities. This manual provides detailed instructions for setup, operation, and maintenance to ensure optimal performance and longevity of your smartwatch.

Image 1.1: The SGNICS KC86 Smartwatch with its rugged design, displaying time, date, and activity metrics.
2. What's in the Box
- 1 * Smart Watch KC86
- 1 * User Manual
- 1 * Charging Cable
- 1 * Band
3. Setup Guide
3.1 Charging the Smartwatch
Before first use, fully charge your smartwatch. Connect the provided charging cable to the charging port on the back of the watch and to a USB power source. A full charge typically takes approximately 2 hours. The watch features a 450mAh battery, providing 7-10 days of use and up to 60 days of standby time.
3.2 App Installation
Download and install the "DaFit" app on your smartphone. The app is compatible with Android 4.4+ and iOS 9.0+ devices. Search for "DaFit" in your smartphone's app store.
3.3 Device Pairing
- Ensure Bluetooth is enabled on your smartphone.
- Open the "DaFit" app and follow the on-screen instructions to add a new device.
- Select "KC86" from the list of available devices to establish a Bluetooth 5.2 connection.
- Confirm the pairing request on both your smartphone and the smartwatch.

Image 3.1: Overview of key smartwatch features including the 1.43-inch AMOLED screen, 450mAh battery, Bluetooth calling capability, and the low-power chip.
4. Operating Instructions
4.1 Basic Navigation
The SGNICS KC86 Smartwatch features a 1.43-inch round AMOLED touch screen. Swipe left, right, up, or down to navigate through menus and functions. Press the physical buttons on the side for specific actions such as power on/off, returning to the home screen, or accessing quick functions.
4.2 Bluetooth Calling and Smart Notifications
Once paired with your smartphone via the "DaFit" app, the smartwatch allows you to make, answer, or reject calls directly from your wrist. It is equipped with a microphone and speaker for clear communication. You can also store contacts and view call history. Additionally, receive notifications from various apps (e.g., Facebook, Messenger, Instagram, Gmail, WhatsApp) directly on your watch, ensuring you don't miss important alerts.

Image 4.1: The smartwatch receiving an incoming call, demonstrating its Bluetooth calling feature.
4.3 LED Flashlight Function
The smartwatch includes a built-in LED flashlight on its side. This feature provides both white light (four-section) and a tactical green LED flashlight. It can be used as a lighting tool or configured as a message reminder with dazzling flash patterns.

Image 4.2: The smartwatch activating its LED flashlight, useful in low-light conditions.
4.4 Health Monitoring
The KC86 Smartwatch is equipped with high-precision sensors for comprehensive health tracking:
- Heart Rate Tracking: Provides 24-hour real-time heart rate monitoring. The VC30F sensor detects anomalies and offers early warnings.
- Blood Oxygen Monitoring: Continuously tracks blood oxygen saturation (SpO2) levels.
- Sleep Quality Analysis: Monitors your sleep stages, including REM, light sleep, and deep sleep, to help you understand and improve your sleep patterns.
Note: Measurement data are for reference only and cannot be used as medical monitoring data.

Image 4.3: The smartwatch interface showing real-time heart rate and blood oxygen saturation data.
4.5 Outdoor Adventure Functions
For outdoor enthusiasts, the smartwatch integrates several useful tools:
- Compass: Provides accurate current forward direction (East, South, West, North) to prevent getting lost during adventures.
- Altitude: Displays real-time altitude information.
- Air Pressure: Measures and tracks changes in air pressure, offering insights into weather trends.

Image 4.4: The smartwatch showing its integrated compass function, indicating direction.
4.6 Sports Modes
The watch supports over 100 sports modes, including badminton, basketball, rowing, mountain climbing, cycling, fitness, walking, and yoga. Select your preferred sport mode on the watch to monitor specific metrics such as steps, calories burned, and distance. Detailed data can be viewed in the "DaFit" app.
4.7 Other Functions
The SGNICS KC86 Smartwatch also includes a variety of other useful features:
- Weather Forecast
- Music Player Control
- Alarm Clock
- Sedentary Reminder
- Stopwatch
- Drinking Water Reminder
- Language Assistant Function
5. Maintenance
To ensure the longevity and optimal performance of your SGNICS KC86 Smartwatch, follow these maintenance guidelines:
- Cleaning: Regularly wipe the watch screen and body with a soft, dry, lint-free cloth. For stubborn dirt, slightly dampen the cloth with water. Avoid using harsh chemicals or abrasive materials.
- Water Resistance: The watch is waterproof. However, avoid prolonged submersion in hot water or exposure to high-pressure water jets. Dry the watch thoroughly after exposure to water.
- Charging: Use only the provided charging cable. Ensure the charging contacts are clean and dry before charging.
- Storage: Store the watch in a cool, dry place when not in use. Avoid extreme temperatures.
- Band Care: Clean the watch band regularly. If it's a silicone band, wash it with mild soap and water, then rinse and dry thoroughly.
6. Troubleshooting
If you encounter issues with your SGNICS KC86 Smartwatch, refer to 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 smartphone:
- Ensure Bluetooth is enabled on your phone and the watch.
- Make sure the "DaFit" app is installed and running.
- Restart both your phone and the watch.
- Ensure the watch is within Bluetooth range of your phone.
- Notifications not received:
- Check notification permissions in the "DaFit" app and your phone's settings.
- Ensure the watch is connected via Bluetooth.
- Inaccurate health data:
- Ensure the watch is worn snugly on your wrist, not too tight or too loose.
- Keep the sensor clean and free from debris.
- Short battery life:
- Reduce screen brightness.
- Limit continuous heart rate monitoring or GPS usage if not needed.
- Ensure background app refresh is optimized.
If the issue persists, please contact customer support for further assistance.
7. Specifications
| Feature | Detail |
|---|---|
| Model Name | KC86 Smartwatch |
| Brand | SGNICS |
| Display Type | AMOLED |
| Screen Size | 1.43 Inches |
| Resolution | 466*466 HD |
| Battery Capacity | 450mAh |
| Charging Time | Approx. 2 hours |
| Usage Time | 7-10 days |
| Standby Time | Up to 60 days |
| Connectivity Technology | Bluetooth 5.2 |
| Compatible Devices | iOS 9.0+ / Android 4.4+ |
| Special Features | LED Flashlight, Compass, Altitude, Air Pressure, Heart Rate Monitor, Blood Oxygen Monitor, Sleep Tracker, 100+ Sports Modes, Bluetooth Calling, Smart Notifications, Sedentary Reminder, Drinking Water Reminder |
| Color | Black |
| Shape | Round |
8. Warranty and Support
SGNICS is committed to providing high-quality products. For warranty information and customer support, please refer to the documentation included with your purchase or visit the official SGNICS website. Keep your purchase receipt as proof of purchase for warranty claims.
For technical assistance or inquiries, please contact SGNICS customer service.