1. Introduction
Thank you for purchasing the BT10 Bluetooth Earphone. This manual provides essential information for the proper setup, operation, and maintenance of your device. Please read it thoroughly before use to ensure optimal performance and longevity.
2. Product Overview
The BT10 Bluetooth Earphone is designed for high-fidelity audio and comfortable wear, featuring IPX5 water resistance and a magnetic neckband for convenience. It includes an integrated microphone for hands-free communication.
2.1 Package Contents
- BT10 Bluetooth Earphone
- Charging Cable
- User Manual
- Ear Tips (various sizes)
2.2 Components and Features

Image: The BT10 Bluetooth Earphone, showcasing its in-ear design and flexible neckband.

Image: The earphone emphasizing its HiFi shock bass for a rich audio experience.

Image: Close-up of the earphone, illustrating its IPX5 waterproof capability, suitable for active use.

Image: A composite image detailing key features including high-quality metal finish, ergonomic ear design, 110mAh large battery capacity, and IPX5 dust and water resistance.

Image: The flexible TPE memory neckband, designed for soft and comfortable long-term wear.

Image: The earphone being worn, with icons indicating Bluetooth 5.2 connectivity, 8-hour battery life, magnetic earbud function, metal paint finish, and HiFi sound quality.
3. Setup
3.1 Charging the Earphone
- Connect the charging cable to the earphone's charging port.
- Connect the other end of the cable to a USB power source (e.g., computer, wall adapter).
- The indicator light will show charging status. A full charge typically takes approximately 1.5-2 hours.
- Once fully charged, the indicator light will change or turn off. Disconnect the earphone from the power source.
3.2 Bluetooth Pairing
- Ensure the earphone is fully charged.
- Press and hold the multi-function button on the earphone until the indicator light flashes red and blue alternately, indicating pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "BT10" or "Thinkplus BT10" from the list of found devices.
- Once connected, the indicator light will typically flash blue slowly or turn off, and you will hear an audible confirmation.
- If prompted for a password, enter "0000".
4. Operating Instructions
4.1 Power On/Off
- Power On: Press and hold the multi-function button for approximately 3 seconds.
- Power Off: Press and hold the multi-function button for approximately 5 seconds.
4.2 Music Playback
- Play/Pause: Press the multi-function button once.
- Next Track: Press and hold the Volume + button.
- Previous Track: Press and hold the Volume - button.
- Volume Up: Press the Volume + button.
- Volume Down: Press the Volume - button.
4.3 Call Management
- Answer Call: Press the multi-function button once.
- End Call: Press the multi-function button once during a call.
- Reject Call: Press and hold the multi-function button for 2 seconds.
- Redial Last Number: Double-press the multi-function button.
4.4 Voice Assistant
- Activate Voice Assistant: Triple-press the multi-function button.
5. Maintenance
- Cleaning: Use a soft, dry cloth to clean the earphones. Do not use abrasive cleaners or immerse in water.
- Storage: Store the earphones in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To preserve battery life, charge the earphones regularly, even if not in frequent use. Avoid fully discharging the battery for extended periods.
- Water Resistance: While IPX5 rated for splash resistance, avoid submerging the earphones in water or exposing them to strong jets of water. Dry thoroughly if exposed to sweat or light rain.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Earphone does not power on. | Low battery. | Charge the earphone fully. |
| Cannot pair with device. | Earphone not in pairing mode. Bluetooth off on device. Device too far. | Ensure earphone is in pairing mode (flashing red/blue). Turn on Bluetooth on your device. Move device closer to earphone (within 10 meters). |
| No sound. | Volume too low. Earphone not connected. | Increase volume on earphone and device. Re-pair the earphone with your device. |
| Intermittent connection. | Interference. Device too far. | Move away from other wireless devices. Reduce distance between earphone and device. |
7. Specifications
| Feature | Detail |
|---|---|
| Model Name | Thinkplus BT10 |
| Connectivity Technology | Wireless (Bluetooth 5.2) |
| Ear Placement | In Ear |
| Noise Control | Active Noise Cancellation |
| Water Resistance Rating | IPX5 |
| Battery Capacity | 110 mAh |
| Playback Time | Up to 12+ hours |
| Manufacturer | Lenovo |
| Color | Black |
| Dimensions | 16.5 x 14 x 2.5 cm |
| Weight | 70 grams |
8. Warranty and Support
This product comes with a standard manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions. For technical support or service inquiries, please contact your retailer or the manufacturer's customer service.







