This product is a Bluetooth car charger mp3 player for vehicles. Adapting a professional-grade high-performance Bluetooth Module, the built-in mp3/wma decoder chip makes it capable of playing the music flies in the u-disk, firing them into the car stereo via wireless connections. Besides, through Bluetooth connecting, you can play the phone's music and FM transmission to Car Audio. In case of an incoming call, it automatically switches the speaker's state to call state. When the call ends it then automatically switches back to the music player mode. So you need not do any modifications, and can easily enjoy the music and hands-free phone calls while you are driving. This item not only supports Bluetooth Hands-free calls but also music play. Order yours today from Jamboshop and pay on delivery.