Support wma/mp3 digital music playback Supports windows and mac No driver required beyond windows 98 Supports lyric display synchronous Fm radio: 87.5mhz - 108mhz (optional) Flash memory: 64mb/128mb/256mb/512mb/1gb Support usb 2.0( fs) ( write : 955k byte/ s; read : 1033k byte/s) Lcd (128 x32 pixels) with 7 color backlight display Repeat functions: a-b repeat, repeat all, repeat one 7 preset eq: natural, rock, pop, classic, soft, jazz, dbb Multi repeat: normal/random/folder/repeat folder/current one/all/intro Battery: 1 x aaa, lasts for 12 hours with alkaline battery Supports 12 languages: simplified chinese, traditional chinese, english, japanese, Korean, french, italian, german, spanish, portuguese , sweden , denmark, Holland Dimension(l x w x h): 8.8*3.1*2.0cm weight: 25g Inner packing(l x w x h): 17.5*13.7*4.3cm Outer packing(l x w x h): 53.5*37*34cm