mp4 digital player 1. Can change the shell anytime you want. 2. FM ... . Can change the shell anytime you want. 2. the music player: supports WMA, WAV, MP3,MP4 and other players.3. sound ... convert, but on the PC using the ordinary tools avi player to play) format video playback.6.FM Radio support.7 ... and calendar support 8.E-book function newest mp4 digital player 8gb FM radio,photo