This car FM transmitter uses a more powerful microphone, which greatly amplifies sound reception and enhances sound quality, giving you a higher level of experience. Noise processing CVC during calls, wind noise suppression, full-duplex call technology. Dual USB ports and a Type-C port for fast charging allow you to charge up to 3 devices simultaneously and provide high-speed charging for the driver and passenger. The Bluetooth V5.0 chip creates an ultra-secure connection between your mobile phone and the car FM transmitter via a Bluetooth adapter. Widely compatible with any bluetooth enabled device and 12-24V car. The car FM transmitter is designed with 7-color LED lights, you will see the pulsating light in the dark and adjust the color you want, convenient for operation and safe driving when driving at night. Support mobile phone A2DP function, directly play high-quality mobile phone music after connecting to Bluetooth; automatically connect back after power on, and automatically enter the pairing state; support TF card expansion to play MP3/WMA format music. Frequency Response: 20Hz~15Khz FM Transmission Frequency: 87.5~108.0Mhz Bluetooth Version: Bluetooth 5.0 Transmission Distance: 10m Working Voltage: 10V-24V USB Output: QC3.0 Material: ABS Color: Black Size: 20 x 10 x 10cm Weight: 80g Package List: 1 x Car FM Transmitter