1、Wireless bluetooth FM transmitter adapter for car radio, to transmit calls/MP3 music/mobile phone voice to car speakers. 2、Compatible for iOS, for Samsung, for Google, for LG, for HTC and Bluetooth devices. Support Bluetooth/U disk/Memory Card/MP3/wma player. 3、Built in microphone, automatically switch from music playing state to hands free mode when answering a call, one key answer reject raise hand recall. 4、When it is plugged into the car socket, the voltage is displayed for 3 seconds, and the battery is always in a healthy state, and then it turns to the auto play mode. 5、With anti jamming performance and CVC technology, you can listen to music while charging, and automatically connect to memory pairing when power on. Item Type: Car Bluetooth 5.0 FM Transmitter Material: ABS Function: Bluetooth Adapter Scope of Application: Car 1. Bluetooth hands free call; USB port with charging function 3.1a 2. echo cancellation and noise processing during calls; 3. Stereo Bluetooth and FM transmission technology; 4. Support USB/Memory Card (not included)/Bluetooth connection; 5. Support MP3 format music; 6. automatic power off memory function; 7. power supply of cigarette lighter. DC12V-24V voltage power supply; 8. Bluetooth version 5.0 FM Transmission frequency. 87.5 ~108Mhz 9. Voltage detection 1 x Bluetooth Adapter