Specification:nbsp; Item Type: FM Playernbsp; Material: ABSnbsp; Bluetooth Version: V5.0nbsp; Transmission Distance: About 8mnbsp; Input: 12-24Vnbsp;br / Music Format: MP3 \ WMA \ WAV \ FLACnbsp; USB and TF (maximum capacity): 32GB (Not Included)nbsp; Charger Output: 5V / 3.4Anbsp; 1.Hands Free Calling: Simply pair this car transmitter with your phone.You will be able to answer/reject/end calls easily. Hands free function lets you drive safely. 2.Music Player and FM Transmitter: The Car FM Transmitter is able to play the musics on your phone via FM radio. It supports MP3/WMA. With TF card slot and USB port,it is also able to play and transmit music files from TF card or USB drive. 3.Noise Reduction Technology: With integrated 32-bit MCU+DSP technology,this car FM transmitter provides you with clear phone calling and let you enjoy beautiful music. It also supportsnbsp; (Advanced Audio Distribution Profile). Great compatibility: The bluetooth fm transmitter compatible with most devices on the market. Play your favorite songs on your car stereo through Bluetooth,TF Card.