... microphone.2009 Karaoke Revolution!Wireless,SD/HDD Smart All in One system with competitiv price,Stable sound KOD-100 HARD ... almost all poplular concept on one wireless microphone system. It combines wireless microphone,karaoke jukebox, hard disk player, mini SD card, ... MP4,MP3 player,USB, internet etc all in one KOD-100 system. Features:* ...