1. Introduction
This manual provides detailed instructions for the SGNics KC86 Smartwatch. It covers device setup, operation, maintenance, and troubleshooting. Please read this manual thoroughly to ensure proper use and to maximize the functionality of your smartwatch.

Image 1.1: The SGNics KC86 Smartwatch displaying various functions including time, step count, heart rate, and an incoming call notification. The watch features a rugged design with a prominent LED flashlight on the side.
2. What's in the Box
Verify that all items are present in the package:
- 1 x SGNics KC86 Smart Watch
- 1 x User Manual
- 1 x Charging Cable
- 1 x Watch Band
3. Setup
3.1. Charging the Smartwatch
Before initial use, fully charge your SGNics KC86 Smartwatch. Connect the provided charging cable to the charging port on the watch and a standard USB power adapter (not included). A full charge typically takes approximately 2 hours. The watch features a 450mAh battery, providing 7-10 days of typical use and up to 60 days of standby time.
3.2. App Installation
To unlock the full functionality of your smartwatch, download and install the "DaFit" application on your smartphone. The app is available for both iOS and Android devices. Search for "DaFit" in your device's app store (Apple App Store for iOS, Google Play Store for Android).
3.3. Device Pairing
- Ensure your smartwatch is charged and powered on.
- Enable Bluetooth on your smartphone.
- Open the "DaFit" app.
- Follow the in-app instructions to search for and connect to your SGNics KC86 Smartwatch. The watch supports Bluetooth 5.2 and is compatible with iOS 9.0 or above and Android 4.4 or above.
- Confirm the pairing request on both your smartphone and the smartwatch.

Image 3.1: Key features of the SGNics KC86 Smartwatch, including its 1.43-inch AMOLED display, 450mAh battery capacity, Bluetooth calling capability, and efficient low-power chip.
4. Operating Instructions
4.1. Display and Navigation
The SGNics KC86 features a 1.43-inch round AMOLED touch screen with 466*466 HD resolution. Swipe across the screen to navigate through menus and functions. Use the physical buttons on the side for power, back, or quick access to specific features.
4.2. Bluetooth Calling and Smart Notifications
Once paired with your smartphone via the "DaFit" app, the smartwatch allows you to manage calls directly from your wrist. It is equipped with a microphone and speaker. You can answer, reject, or make calls, store contacts, and view call history. The watch also displays smart notifications from various applications such as Facebook, Messenger, Instagram, Gmail, and WhatsApp, ensuring you do not miss important communications. A language assistant function is also integrated.

Image 4.1: The SGNics KC86 Smartwatch showing an incoming call notification, demonstrating its Bluetooth calling feature. The paired smartphone also displays the call.
4.3. LED Flashlight
The smartwatch includes a built-in LED flashlight on its side. This flashlight offers both a white light with four sections and a tactical green LED option. It can be used as a convenient lighting tool or configured as a message reminder with a dazzling flash.

Image 4.2: The SGNics KC86 Smartwatch demonstrating its tactical green LED flashlight feature, emitting a bright beam from the side of the watch.
4.4. Sports Modes
The SGNics KC86 Smartwatch supports over 100 sports modes, including but not limited to badminton, basketball, rowing, mountain climbing, cycling, fitness, walking, and yoga. Select your preferred sport mode on the watch to monitor real-time data such as steps, calories burned, and distance covered. Detailed activity data can be reviewed within the "DaFit" app.
4.5. Health Monitoring
The smartwatch incorporates a high-precision sensor for comprehensive health tracking:
- Heart Rate Monitoring: Provides 24-hour real-time heart rate tracking (VC30F sensor) to detect anomalies and offer early warnings.
- Blood Oxygen Monitoring: Measures blood oxygen saturation levels.
- Sleep Quality Analysis: Tracks various sleep stages, including REM, light sleep, and deep sleep, to help users understand and improve their sleep patterns.
Note: Measurement data from this device are for reference only and should not be used for medical diagnosis or treatment. Consult a medical professional for health concerns.

Image 4.3: The SGNics KC86 Smartwatch displaying its heart rate monitoring interface (left) and blood oxygen saturation levels (right), providing real-time health data.
4.6. Outdoor Adventure Features
Designed for outdoor enthusiasts, the smartwatch includes:
- Compass: Provides accurate current forward direction (East, South, West, North).
- Altitude: Displays real-time altitude information.
- Air Pressure: Measures and tracks changes in air pressure, helping you stay informed about weather trends.

Image 4.4: The SGNics KC86 Smartwatch displaying its integrated compass function, indicating direction for outdoor navigation.
4.7. Other Functions
The SGNics KC86 Smartwatch offers additional useful features:
- Weather Forecast
- Music Player Control
- Alarm Clock
- Sedentary Reminder
- Stopwatch
- Drinking Water Reminder
5. Maintenance
- Cleaning: Regularly clean your smartwatch and band with a soft, dry cloth. If necessary, use a slightly damp cloth with mild soap, then wipe dry. Avoid harsh chemicals or abrasive materials.
- Water Resistance: The SGNics KC86 is designed as a waterproof fitness tracker. While it can withstand splashes and brief immersion, avoid prolonged exposure to water, hot water, or steam. Do not operate buttons underwater.
- Storage: Store the watch in a cool, dry place when not in use. Avoid extreme temperatures.
- Charging Contacts: Keep the charging contacts on the back of the watch clean and free of debris to ensure proper charging.
6. Troubleshooting
- Device will not power on:
- Ensure the watch is fully charged. Connect it to the charging cable and a power source for at least 30 minutes.
- Cannot pair with smartphone:
- Ensure Bluetooth is enabled on your smartphone.
- Make sure the "DaFit" app is installed and open.
- Check that the watch is within Bluetooth range of your phone.
- Restart both your smartphone and the smartwatch.
- If previously paired, try unpairing and re-pairing the device through the "DaFit" app and your phone's Bluetooth settings.
- Notifications are not received:
- Verify that notifications are enabled for the "DaFit" app in your smartphone's settings.
- Ensure notification permissions are granted within the "DaFit" app for specific applications.
- Check that the watch is properly connected via Bluetooth.
- Inaccurate health data readings:
- Ensure the watch is worn snugly on your wrist, but not too tight.
- Clean the sensor on the back of the watch.
- Avoid excessive movement during readings.
7. Specifications
| Model Name | KC86 Smartwatch |
| Brand | SGNics |
| Display Type | 1.43-inch AMOLED Touch Screen |
| Resolution | 466*466 HD |
| Battery Capacity | 450mAh |
| Charging Time | Approx. 2 hours |
| Battery Life (Typical Use) | 7-10 days |
| Standby Time | Up to 60 days |
| Bluetooth Version | 5.2 |
| App Name | DaFit |
| Compatibility | iOS 9.0+ / Android 4.4+ |
| Material | Alloy (case) |
| Color | Black |
| Features | LED Flashlight, Bluetooth Calling, Compass, Altitude, Air Pressure, Heart Rate Monitor, Blood Oxygen Monitor, Sleep Tracker, 100+ Sports Modes, Smart Notifications |
8. Warranty and Support
For warranty information and customer support, please refer to the documentation provided with your purchase or visit the official SGNics website. If you encounter any issues not covered in this manual, please contact SGNics customer service for assistance.