Motorcycle audio system is a patented product. It is easy to install, and can be use like mp3, the customer can take the player out of the motorcycle, and insert the earphone.It have 1 g menory, you can put many music you like, even use it as a u-disk.The speaker is in the rearview mirrrors body. It is not only clear sound quality, but also waterproof. 1set/box, 1.2kg/box 10boxes/carton
