7 colors backlight LCD display Adope the program Sigmatel 3502* Origional SAMSUNG FLASH IC* Basic MP3 playing functions: play, pause, last, next, stop* With recording function* Internal background light* Support MP3 / WMA format music playing* Multiple playing modes optional: repeat, random play* 12 levels volume tune* 400KB/S download speed* Power: 3A battery duration for about 10 hours, low consumption Color:silver,blue/red/black