1、Hands free call and voice assistant, one‑click answer/reject/reject call, DSP technology, noise reduction up to 90%, clearer and clearer calls, in addition, you can also use the voice assistant to make calls, send text messages or Get driving directions 2、Rotation and memory function, horizontal 90° and vertical 45°, adjustable, bluetooth FM transmitter is easier to use hands free call and charger port, time memory: in the U disk/memory card playback mode, start the car again, Play the same song that was played last time. 3、You can connect the FM transmitter with the car through the provided Aux cable, in this way, you can get excellent sound quality without any static electricity. 4、4 modes and 2 screens, the car bluetooth adapter supports bluetooth/U disk/Micro storage (memory) card/AUX input play mode, One screen displays the FM frequency, and the other screen displays the car voltage of cars (12V) and trucks (24V). 5、If your car does not have an aux interface, you need to use the car radio to connect, please choose an empty radio station. it is recommended that the frequency of the empty station is far from that of the local station. Item Type: Bluetooth 5.0 FM Transmitter Material: ABS Model: BC70 Function: Bluetooth Adapter, FM Transmitter Bluetooth Transmission Distance: Less Than 10m/32.8ft Compatible: For Car 1 x Bluetooth Adapter 1 x Audio Cable 1 x Manual