Alias: Mp3, Mp3 Player, Digital Mp3 Player, Flash Mp3 Player, Portable Mp3 Player, Video Mp3 Player.....etc. 1) LCD display with 7 colors backlight 2) Supports MP3, WMA, WAV, ASF format music 3) FM radio built-in(optional) 4) Voice recorder 5) 7 EQ models: jazz, classic, rock, bass, popular, soft and normal 6) Play models: sequence, random, single repeat, totally repeat, random repeat totally, preview 7) A-B replay 8) Supports Chinese, Korean, Japanese, English and other European languages 9) Supports ID3 tag 10) 30-class volume adjustment 11) AAA battery