Mp4 player portable mp3 player series sandisk sansa fuze internal memory 4 gb memory expansion microsd audio functions equalizer audio recording audio formats mp3 wma wma drm ogg flac aac audible video formats mpeg4 wmv h264 picture formats jpeg bmp display size 24 inch display diagonal 609 cm display resolution 320 x 240 pixels display type lcd battery life audio 24 h battery life video 5 h power supply internal battery connections