FM transmitter Baseus CCMT000001 — digital FM 87.5–108 MHz, Bluetooth, USB, MicroSD, LED, 12/24V, 3.4A

Baseus CCMT000001 is a compact digital FM transmitter designed for vehicles with a 12/24 V cigar lighter socket. It transmits audio over the FM band (87.5–108 MHz), offers Bluetooth connectivity for wireless audio streaming and hands-free calls, and supports playback from USB drives and MicroSD cards. The device features an LED display for frequency and status information and provides charging capability with combined USB output up to 3.4 A.

Advantages

The transmitter provides flexible audio sources — Bluetooth streaming, USB flash drives and MicroSD card playback — so you can play music without replacing your car radio. The wide FM frequency range (87.5–108 MHz) ensures compatibility with different regional allocations. Integrated LED display makes it easy to see the selected frequency and connection status. Dual charging ports with a total output up to 3.4 A let you charge smartphones or other devices while using the transmitter. The compact design plugs into the cigar lighter socket and is suitable for both 12 V and 24 V vehicle electrical systems.

Suitable for

• Streaming music from smartphone via Bluetooth to car stereo
• Playing audio files from USB flash drives or MicroSD cards
• Making hands-free calls through the vehicle audio system
• Charging mobile devices while driving
• Use in cars, trucks and other vehicles with 12 V or 24 V cigar lighter sockets

Key specifications

• FM transmission band: 87.5–108 MHz
• Connectivity: Bluetooth and USB
• Media support: MicroSD card playback and USB drive playback
• Display: LED frequency and status display
• Power input: operates from 12 V and 24 V cigar lighter sockets
• Charging output: combined USB output up to 3.4 A
• Primary functions: audio streaming, hands-free calling, media playback, device charging

How to use

Insert the transmitter into the vehicle's cigar lighter socket and power it on. Use the LED display to select an unused FM frequency within the 87.5–108 MHz range on both the transmitter and your car radio. Pair your smartphone with the transmitter via Bluetooth for wireless audio streaming and calls, or insert a USB flash drive or MicroSD card containing audio files to play directly. Connect devices to the USB ports to charge while using the transmitter. Adjust the car radio volume and transmitter volume to achieve clear playback and avoid distortion.

Usage recommendations

Choose an FM frequency with minimal local radio interference for the best audio quality. Keep the transmitter plug firmly seated in the cigar lighter socket to maintain a stable power connection. For optimal Bluetooth performance, keep the paired device within the passenger compartment and avoid obstructions. Use good-quality USB cables when charging devices to ensure safe and efficient charging currents.