mp4 digital player 1. Can change the shell anytime you want. 2. FM Radio support. 3. G-Sensor screen 4. CE ROHS FCC mp4 digital player1. Can change the shell anytime you want. 2. the music player: supports WMA, WAV, MP3,MP4 and other players.3. sound recording support: MIC recording. Format support WAV.4. Photo support: JPEG, BMP, GIF format browsing5.video playback support: AMV, AVI (need ...