1. CD/VCD/DVD player 2. USB/SD/MMC slot 3. USB Record MP3 ... card slot and USB 2.0 port;2microphone inputs with individual volume control; Professional karaoke mixer with echo volume adjustment ... Component Video, VGA;Audio output:Audio 2 Channel, MIXEO AUDIO OUTPUT(BALANCE), 5.1 output;Power AC 100~240V 50Hz ... etc.Song Book 1 free song bookCompatible FormatDVD,DVD,VCD,SVCD,CD,CD+G,WMA,MPEG4,MP3USB/ ...