1. Product Overview
The LENCENT BC87 is a versatile Bluetooth 5.3 FM Transmitter designed for in-car use. It allows you to stream music, make hands-free calls, and fast-charge your devices simultaneously. Key features include Hi-Fi stereo sound, a dedicated Bass mode, dual microphones for clear calls, and multiple fast-charging ports.
2. Specifications
| Feature | Detail |
|---|---|
| Brand | LENCENT |
| Model Name | BC87 |
| Bluetooth Version | V5.3 |
| Product Input | DC 12-24V |
| Frequency Range | 87.5-108.0MHZ |
| FM Transmitter Distance | Approx. 3M |
| Wireless Distance | Approx. 10M |
| U Disk Port | Supports up to 32G U disk music reading |
| PD Output (USB-C) | 5V/3A, 9V/3A, 12V/2.5A (30W Max.) |
| QC 3.0 Output (USB-A) | 5V/3A, 9V/2A, 12V/1.5A (18W) |
| Total Product Power | 48W Max. |
| Item Weight | 60g (4.2 ounces) |
| Item Size | 9.6cm * 5.8cm * 5.3cm |
| Material | ABS |
| Certifications | CE, FCC, RoHS |
3. Setup Instructions
- Insert into Car Cigarette Lighter: Plug the LENCENT BC87 into your car's 12V-24V cigarette lighter socket. The device will power on automatically, and the LED display will light up.
- Set FM Frequency: Find an empty FM frequency on your car radio (a frequency with no broadcasting). Then, adjust the FM frequency on the BC87 to match your car radio's frequency. Use the 'CH+' and 'CH-' buttons on the device to change the frequency. A clear, static-free frequency is crucial for optimal audio quality.
- Pair with Bluetooth:
- Enable Bluetooth on your smartphone or other audio device.
- Search for available Bluetooth devices and select "BC87" from the list.
- Once paired, the device will automatically connect to your phone on subsequent uses.
4. Operating Instructions
4.1 Music Playback
- Bluetooth Streaming: After successful Bluetooth pairing, open your music app on your phone and start playing. The audio will be transmitted to your car's FM radio.
- U Disk Playback: Insert a U disk (up to 32GB) containing MP3/WMA/WAV/FLAC audio files into the designated USB port. The device will automatically detect and play music from the U disk.
- Bass Mode: Press the 'BASS' button to enhance the bass effect for a more powerful audio experience. Press again to toggle off.
4.2 Hands-Free Calling
The BC87 features dual microphones and CVC8.0 noise reduction technology for clear calls.
- Answer Call: Press the phone icon button once.
- Hang Up Call: Press the phone icon button once during a call.
- Reject Call: Press and hold the phone icon button.
- Redial Last Number: Double-press the phone icon button.
4.3 Fast Charging
The BC87 is equipped with PD 30W (USB-C) and QC 3.0 (USB-A) ports for rapid charging.
- Connect your device to the PD 30W USB-C port for ultra-fast charging (e.g., iPhone to 85% in 30 minutes).
- Use the QC 3.0 USB-A port for Quick Charge compatible devices.
- The device includes smart charge monitoring to prevent overloads and short circuits.
4.4 Voice Assistant
Supports intelligent voice control for Siri, Google Assistant, and Bixby.
- Activate your phone's voice assistant (e.g., "Hey Siri", "OK Google", "Hi Bixby").
- Use voice commands for navigation, music control, or other tasks.
4.5 LED Lights Control
The device features colorful breathing lights to enhance your car's ambiance.
- Press the light button (often integrated with the phone icon or a dedicated button) to cycle through light modes or turn them off.
- If you need to focus on driving, you can easily turn off the lights with a single press.
5. Maintenance
- Keep the device dry and clean. Avoid exposure to moisture or extreme temperatures.
- Clean the surface with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Ensure the cigarette lighter socket is free of debris before inserting the device.
6. Troubleshooting
- No Power: Ensure the device is securely plugged into the car's cigarette lighter socket. Check if the car's power outlet is functioning.
- Poor Sound Quality/Static:
- Adjust the FM frequency on both the transmitter and your car radio to an unused channel.
- Ensure the volume on your phone and car radio is set appropriately.
- Move away from strong radio signals or other electronic interference.
- Bluetooth Connection Issues:
- Make sure Bluetooth is enabled on your phone and the device is in pairing mode.
- Forget the device from your phone's Bluetooth settings and try pairing again.
- Restart both the transmitter (by unplugging and replugging) and your phone.
- Charging Not Working:
- Check if the charging cable is properly connected to both the device and your phone.
- Ensure your phone supports fast charging protocols (PD or QC 3.0) for optimal speed.
- Try a different charging cable or device to rule out cable/device issues.
7. User Tips
- Optimal Volume Control: For the best audio experience, it's often recommended to set the volume on the FM transmitter to a medium-high level and control the final output volume using your car's stereo system. This helps minimize potential distortion.
- Finding Clear FM Frequencies: When setting the FM frequency, try to find a channel that is completely silent (no music or talk radio). This will provide the clearest audio transmission from the device to your car stereo.
- Hands-Free Button Location: The main phone icon button on the device serves multiple functions for hands-free calling (answer, hang up, reject, redial). Familiarize yourself with its location and single/double press actions for safe operation while driving.
8. Warranty and Support
LENCENT products are designed for reliability and performance. For any issues or questions regarding your BC87 FM Transmitter, please contact LENCENT customer support through their official channels or the retailer where you purchased the product.
Please retain your proof of purchase for warranty claims.





