The latest Bluetooth 5.3: Built-in the latest Bluetooth 5.3 chip, the bluetooth fm transmitter for car can provide faster pairing and more stable connection, without disconnection and audio failure. The FM Bluetooth transmitter automatically reconnects to the last device you used every time you get in your car, and the audio will automatically resume where it left off.PD 36W & QC 3.0 Fast Charging: Bluetooth car adapter is equipped with PD 36W Type-C and QC3.0 18W USB charging port, which can provide 4X faster speed than normal port and support charging two devices simultaneously. When both are used together, the maximum output is 36W. Built-in over-current protection, over-voltage protection, intelligent temperature control, short circuit protectionK, its more reliable and safer to use.Hands-free Calls: Hands free function ensuring driving safety, Supports Siri, Google voice navigation. Simply click the MFB to answer/hang up/reject/redial calls, seamlessly switches between incoming calls and music. High-performance microphone grants you crystal clear call. Enjoy complete voice-control and safer driving with this bluetooth radio transmitter for car.Three Playing Modes: The bluetooth fm transmitter has three playing modes, You can stream music on your car stereo via Bluetooth/ U Disk (64GB) / TF Card (32GB). Long press "M" button to switch playing modes sequentially BT---U disk---TF card. WAV APE FLAC music formats are all supported. (Note: U Disk is not recommended as a charging port)HiFi Deep Bass & LED Ambient Light: This bluetooth transmitter just press the button "bass" and you will enjoy powerful deep bass and immersive stereo sound. In addition, double-click the BASS button to switch lights sequentially (red, green, blue, yellow, purple, breathing light, off). It would truly bring you party atmosphere.Wide Compatibility: The radio bluetooth transmitter for car enables most Bluetooth devices, such as iPad, iPhones, iPods, Samsung Galaxy, Sony, Huawei, and Android smartphones. And it fits 12V-24V cars and trucks.With a wider range from 87.5MHz - 108 MHz, you can get a more stable and consequent music experience without interference.