Introduction
This manual provides detailed instructions for the safe and efficient use of your Baseus Bluetooth 5.0 FM Transmitter. This device is designed to enhance your in-car audio experience by allowing wireless audio streaming and fast charging of your mobile devices. Please read this manual thoroughly before operation and retain it for future reference.
Product Overview
The Baseus Bluetooth 5.0 FM Transmitter integrates multiple functions into a compact car charger design. Key features include Bluetooth 5.0 connectivity for stable audio transmission, an FM transmitter for broadcasting audio to your car's radio, and dual USB ports supporting Quick Charge 3.0, AFC, and FCP protocols for rapid device charging.



Components:
- FM Transmitter Body: Main unit with cigarette lighter plug.
- Dual USB Charging Ports: One Quick Charge 3.0 (18W) port and one standard USB port.
- Digital LED Display: Shows FM frequency or car battery voltage.
- Multi-function Button: For controlling calls, music playback, and frequency adjustment.
- Microphone: For hands-free calling.
Setup
- Insert into Car Cigarette Lighter Socket: Plug the FM transmitter firmly into your vehicle's 12V/24V cigarette lighter socket. The digital display will light up, showing the current car battery voltage for a few seconds, then switch to the default FM frequency.
- Set FM Frequency:
- Tune your car's FM radio to an empty frequency (one with no strong signal).
- Press and hold the multi-function button on the transmitter until the FM frequency on its display starts flashing.
- Rotate the multi-function button left or right to adjust the transmitter's frequency to match your car's radio.
- Once matched, press the multi-function button again to confirm the frequency.
- Pair with Bluetooth Device:
- On your mobile device (smartphone, tablet), enable Bluetooth.
- Search for available Bluetooth devices. The transmitter will appear as "Baseus FM Transmitter" or similar.
- Select the transmitter to pair. Once paired, a voice prompt will confirm the connection.

Operating Instructions
Music Playback:
- Bluetooth Streaming: Once paired, audio from your mobile device will be transmitted to your car's FM radio. Use your device or the transmitter's multi-function button to control playback (play/pause, next/previous track).
- USB Drive Playback: Insert a USB flash drive (up to 32GB, FAT32 format) containing MP3/WMA/WAV/FLAC audio files into the USB port. The transmitter will automatically detect and play music from the drive.
Hands-Free Calling:
- Answer/End Call: Press the multi-function button once to answer an incoming call or end an ongoing call.
- Reject Call: Press and hold the multi-function button for 2 seconds to reject an incoming call.
- Redial Last Number: Double-press the multi-function button to redial the last dialed number.
Charging Devices:
- Connect your device to either of the USB ports using a compatible charging cable.
- The port labeled "QC3.0" supports Quick Charge 3.0, AFC, and FCP protocols for faster charging of compatible devices.
- The other USB port provides standard 5V/1A charging.

Maintenance
- Cleaning: Use a soft, dry cloth to wipe the surface of the device. Do not use liquid cleaners or aerosols.
- Storage: When not in use for extended periods, unplug the device from the car socket and store it in a cool, dry place.
- Avoid Extreme Conditions: Do not expose the device to extreme temperatures, direct sunlight, or high humidity.
- Handle with Care: Avoid dropping or subjecting the device to strong impacts.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power/display off | Loose connection; Car socket issue; Device fault. | Ensure the device is firmly plugged in. Check car cigarette lighter fuse. Try in another vehicle if possible. |
| Poor audio quality/static | FM frequency interference; Volume too low; Bluetooth connection issue. | Change to a clearer FM frequency. Increase volume on both the transmitter and car radio. Re-pair Bluetooth. |
| Cannot pair Bluetooth | Transmitter not in pairing mode; Device Bluetooth off; Interference. | Ensure transmitter is powered on. Restart mobile device's Bluetooth. Move closer to the transmitter. |
| Fast charging not working | Device not compatible with QC/AFC/FCP; Cable not fast-charge compatible; Wrong USB port used. | Ensure your device and cable support fast charging protocols. Use the designated QC3.0 port. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | B01LXVHNHK |
| Product Dimensions | 10 x 3 x 2 cm |
| Item Weight | 10 Grams |
| Connectivity Technology | Bluetooth, USB |
| Bluetooth Version | 5.0 |
| Power Source | Corded Electric (Car Cigarette Lighter) |
| Special Features | Fast Charging (QC3.0, AFC, FCP), Bluetooth FM Transmitter |
| Input Voltage | DC 12V-24V |
| USB Output 1 (QC3.0) | 5V/3A, 9V/2A, 12V/1.5A (Max 18W) |
| USB Output 2 | 5V/1A |
| FM Frequency Range | 87.5-108.0 MHz |
| Supported Audio Formats | MP3, WMA, WAV, FLAC (from USB drive) |
Warranty and Support
Specific warranty information for this product is not provided in the available data. For detailed warranty terms, technical support, or customer service inquiries, please refer to the official Baseus website or contact the retailer from whom the product was purchased. Please retain your proof of purchase for warranty claims.
You can visit the Baseus Store for more information: Baseus Official Store





