VocoPro Home Karaoke System (SmartOke)Utilizing the latest digital technology with DSP sound processing to sound like a proVersatile connection options including optical, Bluetooth, and line inputVocal Eliminator and MPX to remove vocals on non-karaoke or multi-plex tracksSystem comes with a digital mixer, two wireless microphones, an optical cable, a stereo line out cable, and USB-C power supply