FM transmitter Baseus SUP0003754 Bluetooth 87.5 - 108 MHz Black

The Baseus SUP0003754 FM transmitter offers wireless audio streaming and in-car charging with operation across the 87.5–108 MHz FM band. Equipped with Bluetooth connectivity, a digital tuner and an LED display, the compact black unit plugs into the vehicle cigar lighter and supplies up to 3.4 A output current from a 12/24 V DC input. The transmitter is designed to bridge mobile devices and car radios that lack native Bluetooth or auxiliary inputs.

Advantages

The transmitter supports Bluetooth pairing for hands-free audio playback and wireless calls while the digital tuner ensures stable frequency selection within the 87.5–108 MHz range. An integrated LED display provides clear frequency and status information. Direct power via the cigar lighter with 12/24 V input and 3.4 A output current enables simultaneous device charging and audio transmission, and the compact black housing minimizes dashboard clutter.

Suitable for

• Cars and commercial vehicles with a 12 V or 24 V cigar lighter socket
• Car radios without Bluetooth or AUX input that can receive FM signals
• Streaming music or navigation audio from smartphones and tablets
• Hands-free phone calls while driving

Key specifications

• FM band range: 87.5–108 MHz
• Wireless interface: Bluetooth
• Power input: DC 12/24 V via cigar lighter
• Output current for charging: up to 3.4 A
• Display: LED frequency/status display
• Color: Black
• Form factor: Compact plug-in transmitter

How to use

Insert the transmitter into the vehicle’s cigar lighter socket. Turn on the car radio and tune it to an unused frequency within the 87.5–108 MHz range. Power on the Baseus transmitter and set its digital tuner to the same FM frequency shown on the LED display. Pair your smartphone or other Bluetooth device with the transmitter following standard Bluetooth pairing steps. Once connected, play audio or accept calls; the transmitter will relay sound to the car radio and provide charging power to connected devices through its power output.

Usage recommendations

For best audio quality, select an FM frequency with minimal local radio station interference. Keep the transmitter’s LED display visible for easy frequency checks. Use the built-in Bluetooth connection for short-range streaming and hands-free calls; ensure the vehicle ignition and cigar lighter provide stable 12/24 V power. Disconnect the unit when not in use for extended periods to avoid battery drain on connected devices.