JVR Bluetooth FM Transmitter, Wireless In-Car FM Radio Adapter Car Kit with Handsfree Call, AUX Input PN38G BLUETOOTH FM TRANSMITTER: Play stereo quality sound from your phone, Micro SD card, USB flash drive & MP3 to car speaker stereo system via FM radio signals ESAY TO USED: Plug it into car cigarette lighter socket, turn on your car FM radio and adjust a same frequency 4 MODELS TO PLAY MUSIC: Play music in the MP3 or WMA format on Micro SD card or USB flash drive, stream music via A2DP Bluetooth audio profile or AUX input SMART CAR CHARGER: Automatically adjusted the output current according to smartphones or tablets, 1.0A for iPhone, 2.1A for iPad, 2.0A for Samsung COMPATIBILITY: Suitable for all types of vehicle. Working as Hands-Free Calling and Radio adapter for any devices with USB or Bluetooth including IPhone, iPods, Samsung Galaxy, Google Nexus or other smartphone, GPS and tablets