Portable mp3 player mini mp3 player sports mp3 player series apple ipod shuffle internal memory 2 gb storage media flash memory audio functions repeat function shuffle gapless playback audio formats aiff apple lossless audible aac mp3 mp3 vbr wav protected aac battery life audio 15 h power supplies li ion battery internal battery connections usb 20 headphone 35mm jack organiser folder navigation colour black dimensions 29 x 31 6 x 8 7 mm weight