 Supports WAVE,WMA,MP3,AC3 and the other audio multimedia formats  Supports AVI,MPEG1,MPEG2,MPEG4,WMV,DIVX,DAT,VOB and the other video multimedia formats  PAL/NTSC compatible  Built-in Chinese, English, Japanese, Philippine, Spanish, Russian, Thai, Korean and other languages letters able to play the midi disc with mentioned languages  Built-in coin control function  Built-in scoring function, according to the singers' level showing the scores on the screen after singing a song to gain amusemen  Built in HDD(HDD optional)  Hard disk protection: An intelligent power management ensures HDD Can be used more safely.  Swan choose, charactor choose, sing number choose and phoneticize choose  Handy madrigal, current song easy play back  5.1 channel output  6 kinds of background motion picture optional  Various advertisement picture and letterform optional  Add songs through USB 2.0 or DVD ROM freely.