To get a Bluetooth hands-free device 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 with this car Bluetooth mp3 player. Support SD card, you can download as many songs as you like from your computer and put them into the Bluetooth car MP3 player 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. What's more, its Bluetooth function can help to free your hands and ease your life. With this handsfree mp3 car Bluetooth, you can drive your car with both your hands while answering the phone, which ensures your personal safety during the drive time. Easy installation and great performance, you will get more than you paid.