Product Overview
The LENCENT FM Transmitter is a versatile car accessory designed to enhance your in-car audio experience and provide convenient charging. It features advanced Bluetooth 5.3 technology for stable music streaming, dual fast charging ports (PD 20W & QC3.0), and hands-free calling with voice assistant support.
Key features include:
- Hi-Fi Fidelity Stereo and Bass: Enjoy crystal clear sound with a unique bass enhancement button for an immersive audio experience.
- 38W Accelerated Charging: Equipped with QC3.0 USB and a Type-C PD 20W fast charging port, allowing simultaneous charging of two devices at optimal speeds.
- Latest Generation Bluetooth 5.3 Technology: Ensures a faster and more stable connection for seamless music streaming and automatic reconnection to previously paired devices.
- LED Display and LED Breathing Light: Features a clear digital LED display for car voltage monitoring and adjustable colorful ambient lights to create a comfortable car atmosphere.
- Google Assistant & Hands-Free Calls: Built-in microphone and voice command support for Siri or Google Assistant enable safe, hands-free communication and navigation while driving.

Figure 1: LENCENT FM Transmitter, showcasing its compact design and various ports.
Setup and Installation
Follow these steps to set up your LENCENT FM Transmitter:
- Step 1: Insert into Car Cigarette Lighter Socket.
Plug the LENCENT FM Transmitter into your car's 12V-24V cigarette lighter socket. The device will automatically power on and display your car's voltage for 3 seconds.
- Step 2: Find an Empty FM Frequency.
On your car's radio, find an empty (static-free) FM frequency. This frequency should not be occupied by any radio station.

Figure 2: Illustration of finding an empty FM frequency on your car's radio display.
- Step 3: Match FM Frequencies.
Adjust the FM frequency on the LENCENT transmitter to match the empty frequency you found on your car radio. Use the 'CH' button and tuning controls on the transmitter to set the frequency.
- Step 4: Pair via Bluetooth.
On your mobile device, enable Bluetooth and search for available devices. Select "BS022" from the list to pair. Once paired, audio from your phone will be transmitted to your car's speakers via the selected FM frequency.
Operating Instructions
Music Playback
Once connected via Bluetooth, you can stream music from your mobile device. The transmitter supports Hi-Fi stereo sound.
- Bass Enhancement: Press the dedicated bass button to boost the bass effect for a richer audio experience.
- Treble Adjustment: Use the 'T' knob to adjust the treble levels to your preference.
- Music Sync Lights: The multicolored LED lights on the device will pulse and change with the rhythm of your music, creating an engaging visual atmosphere.

Figure 3: Adjusting bass and treble for optimal sound quality.

Figure 4: The device's colorful lights synchronize with music for an enhanced ambiance.
Hands-Free Calling and Voice Assistant
The LENCENT FM Transmitter allows for safe, hands-free communication while driving.
- Answering Calls: Press the phone button (green icon) to answer an incoming call.
- Rejecting Calls: Press and hold the phone button to reject an incoming call.
- Ending Calls: Press the phone button during a call to hang up.
- Voice Assistant: Activate Siri or Google Assistant by pressing the dedicated voice assistant button. You can then use voice commands to make calls, send messages, or get directions, ensuring your focus remains on the road.

Figure 5: The device supports hands-free calls and voice assistant commands for safer driving.
Charging Features
The LENCENT FM Transmitter is equipped with two powerful charging ports:
- USB QC3.0 Port: Provides fast charging for compatible Android devices.
- USB-C PD 20W Port: Delivers rapid charging for iPhones (8-16 Series) and other USB-C compatible devices, including tablets.
You can charge two devices simultaneously, ensuring your gadgets are always powered up on the go.

Figure 6: The transmitter features 38W super fast charging with PD and QC3.0 ports.
Specifications
| Feature | Detail |
|---|---|
| Model Number | BS022 |
| Brand | LENCENT |
| Color | Black |
| Connectivity Technology | Bluetooth 5.3, USB |
| Power Source | DC Power (Car Cigarette Lighter) |
| Special Features | Bass & Treble Adjustment, Hi-Fi Stereo, Hands-Free Calls, Car Voltage Monitor, 20W PD & 18W QC Fast Charging, Siri & Google Voice Assistant, Noise Cancellation |
| Total USB Ports | 2 (1x QC3.0, 1x PD 20W Type-C) |
| Compatible Devices | Selected mobile devices including iPhone 8-16 Series, Samsung Galaxy S8-S25 Series, Note 8-22 Series, Google Pixel, Honor, OnePlus, etc. |
| Material | Metal, Plastic |
| Product Dimensions | 5.3L x 5.2W x 7.5H centimeters |
| Item Weight | 42.2 Grams |
Troubleshooting
- No Power/Display: Ensure the transmitter is fully inserted into the cigarette lighter socket. Check if the car's cigarette lighter fuse is intact.
- Static/Poor Audio Quality:
- Try changing the FM frequency on both the transmitter and your car radio to a different, clearer, unoccupied frequency.
- Ensure the volume on your phone and car radio is adjusted appropriately.
- Move away from strong radio signals or interference sources.
- Bluetooth Disconnection:
- Ensure your phone's Bluetooth is enabled and within range.
- Forget the device ("BS022") from your phone's Bluetooth settings and re-pair.
- Restart both the transmitter (by unplugging and replugging) and your phone.
- Charging Issues:
- Verify that the charging cable is securely connected to both the device and the transmitter.
- Ensure your device supports fast charging standards (QC3.0 or PD) for optimal speed.
- Try a different charging cable or device to isolate the issue.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the surface of the transmitter. Do not use liquid cleaners or abrasive materials.
- Storage: When not in use for extended periods, store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: Avoid dropping the device or subjecting it to strong impacts.
Warranty and Support
The LENCENT FM Transmitter comes with a 2-year manufacturer's warranty.
For technical support, warranty claims, or any inquiries regarding your product, please contact LENCENT customer service through the official LENCENT store on Amazon or their official website. Please have your model number (BS022) and purchase details ready when contacting support.
Safety Warning: Handle batteries with care (if applicable, though this device does not have a rechargeable battery). Avoid exposure to water. Do not use while driving unless securely mounted and operating the device does not distract you from driving safely.





