To get a handsfree Bluetooth car kit that also plays your music through your car's sound system is really a sweet deal! Now you have the chance to enjoy your leisure time even though you are driving. Plug a SD card in the Bluetooth car MP3 player, you can download the songs you like from your computer to help you relax or get rid of boring time. Or you can transmit music right from your phone (You phone must have Bluetooth function to transmit music over Bluetooth) into the Bluetooth car MP3 player. Besides, if you are fond of FM radio, you may also enjoy FM programs with this car MP3 player FM transmitter. What's more, its Bluetooth function can help to free your hands and ease your life. Easy installation and great performance, you will get more than you paid.