... card player,MP4/MP3 plyer etc all in one Wireless Microphone Player(wireless microphone jukebox,KTV/MTV/MIDI karaoke microphone) Say good ... ,000 midi songs WOW! 4 singers sing together!!!Support 2 Wireless Digit Microphone with 18 control buttons and 2 wired Digit ... !!! Internal 2.5inch Hard Drive Device slots. New!!! 2 Wireless Mic receiver slots New!!! 2 Wired Microphone jack Built-In USB Interface ...