USB,supports Audio(MP3,WMA),Video(AVI,RM,RMVB MPEG1~4),image(JPEG,BMP,PNG),text file(TXT) * Dynamically adjust picture's color , contrast ratio, definition and so on * Brightness, chroma instantaneous improvement function , black / white level extensions function , color compensation function.* 3 d video decoding(PAL/NTSC), Bright color separation, the spatial noise reduction function * Copy of WINDOWS XP OSD interface, humanized operation menu * Supports control of treble or bass ,Stereo