--Special Vehicle Bluetooth Car MP3 player.
--The use of high-performance professional-grade Bluetooth module.
--OTG/MP3 decoder chip that can play SD cards and USB music files inside, Wireless transmit into car audio
--can automatically switch to hands-free calls when the call is coming (the phone must have a bluetooth function)
--After the call ends automatically cut back the state of music player,
--phone's MP3 music through a wireless way to transmite into your car audio
--dont need to modify your car you can easily make your way to the driver can enjoy music and can use your phone hands-free calls, entertainment, security correct.