Introduction
The OBA OUKITEL BT103 Smartwatch is a versatile fitness tracker designed for both iOS and Android users. Featuring a 1.91-inch display, it offers a wide range of functions including over 100 sport modes, pedometer, sleep monitoring, and heart rate tracking. This manual provides essential information for setting up, operating, and maintaining your smartwatch.
Setup
1. Charging the Smartwatch
Before first use, fully charge your OUKITEL BT103 Smartwatch. Connect the magnetic charging cable to the charging points on the back of the watch and plug the USB end into a power adapter (not included) or a computer's USB port.

Image: The smartwatch connected to its magnetic charger, highlighting its 300 mAh battery capacity, which provides up to 20 days of standby time and 5 days of daily battery life.
2. Downloading the Companion App
To unlock all features and synchronize data, download the official companion app on your smartphone. Search for the app name (usually mentioned in the quick start guide or on the watch screen during initial setup) in the Apple App Store (for iOS) or Google Play Store (for Android).
3. Pairing with Your Smartphone
- Ensure Bluetooth is enabled on your smartphone.
- Open the companion app and follow the on-screen instructions to add a new device.
- Select "OUKITEL BT103" from the list of available devices.
- Confirm the pairing request on both your phone and the smartwatch.
Operating Instructions
Basic Navigation
The OUKITEL BT103 features a 1.91-inch full touch OGS screen for intuitive navigation. Swipe left, right, up, or down to access different functions and menus. Tap to select an option or confirm an action.

Image: The smartwatch displaying various customizable watch faces, highlighting its 1.91-inch full touch OGS screen.
Bluetooth Calling
Once paired, you can make, answer, or reject calls directly from your smartwatch. The watch displays real-time call notifications.

Image: The smartwatch screen showing an incoming call, along with options for answering, rejecting, and accessing call history and a dialpad, demonstrating its Bluetooth calling capability.
Sport Modes and Activity Tracking
The smartwatch supports over 100 sport modes, including handball, cycling, swimming, basketball, volleyball, tennis, and football. It tracks your movement trajectory, calories burned, distance, steps, and pace during workouts.

Image: A person running while wearing the smartwatch, which displays detailed outdoor run data such as duration, heart rate, calories, distance, steps, and a map of the movement trajectory, illustrating its extensive sport tracking capabilities.
Health Monitoring
Monitor your heart rate, blood oxygen levels, and sleep patterns directly from your wrist. These features provide insights into your overall health and well-being.
- Heart Rate Monitor: Tracks your heart rate throughout the day.
- Blood Oxygen Monitor: Measures your blood oxygen saturation (SpO2).
- Sleep Monitoring: Analyzes your sleep stages (deep sleep, light sleep, REM, awake time) to help improve sleep quality.

Image: The smartwatch displaying heart rate and blood oxygen levels, alongside an image of a person sleeping with the smartwatch, illustrating its comprehensive health monitoring features including sleep tracking.
Other Functions
The OUKITEL BT103 offers a variety of additional features:
- Music Control
- Weather Forecast
- Message Notifications
- World Clock
- Battery Status Display
- Movement Detection
- Alarm Clock

Image: A collage of smartwatch screens showcasing various functions such as music control, weather updates, and mood tracking, along with icons representing phone calls, email, heart rate, messages, world clock, sleep monitoring, battery status, and movement detection.
Maintenance
Cleaning Your Smartwatch
Regularly clean your smartwatch and strap to prevent skin irritation and maintain device performance. Use a soft, lint-free cloth. If necessary, slightly dampen the cloth with water. Do not use harsh chemicals or abrasive materials.
Water Resistance
The OUKITEL BT103 is resistant to splashes and sweat, making it suitable for sports activities and use in humid conditions. However, it is not recommended for diving, hot showers, or prolonged submersion in water.
Battery Care
To prolong battery life, avoid exposing the smartwatch to extreme temperatures. Charge the device regularly, but avoid leaving it fully charged or fully depleted for extended periods.
Troubleshooting
- Device not turning on: Ensure the watch is fully charged. Connect it to the charger for at least 30 minutes.
- Cannot pair with phone:
- Ensure Bluetooth is enabled on your phone and the watch.
- Make sure the watch is within range of your phone.
- Restart both the watch and your phone.
- Clear Bluetooth cache on your phone (Android) or forget the device and re-pair (iOS/Android).
- Inaccurate health readings: 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 notifications, and limit continuous heart rate monitoring if not needed.
Specifications
| Feature | Detail |
|---|---|
| Model | BT103 |
| Display | 1.91-inch Full Touch OGS Screen |
| Battery Capacity | 300 mAh |
| Connectivity | Bluetooth |
| Compatibility | iOS, Android |
| Special Features | Heart Rate Monitor, Blood Oxygen Monitor, Sleep Monitor, Pedometer, 100+ Sport Modes, Bluetooth Calls |
| Water Resistance | Splash and Sweat Resistant |
| Memory Storage Capacity | 256 MB |

Image: Technical drawing illustrating the dimensions of the OUKITEL BT103 Smartwatch, including its height, width, strap width, and total strap length.
Warranty and Support
Information regarding specific warranty terms and conditions for the OBA OUKITEL BT103 Smartwatch is typically provided with the product packaging or available on the manufacturer's official website. For technical support or service inquiries, please refer to the contact information provided by OBA or OUKITEL in your product documentation.
Please note that spare parts availability and software updates are not explicitly guaranteed for this product, as per available information.




