mp4 player 1.Music Format: MP3, WMA, WMA 2. Built-in ... Battery, USB 2.0, Idle Time is about 10 hours mp4 player Controller: Ak1025 Screen : 1.8inch TFT,full color displayMemory ... picturesAccessories: Packaging,earphones,User'smanual usb cable, Charger 2012 Fashion mp4 player/Hot sale MP4 player/Fm modulator