This karaoke machine has scratches on the top and allows the user to load up three different disc then you select it to play and while playing allows you to load up a different disc/song so your event runs smoothly. You can also key charge the track to suit the singers vocal range. Remote control is NOT included with it and can be used without it with no problems at all. The JVC XL-MV303 allows you to use three microphones at the same time ( MIC'S ARE NOT BINCLUDED ) and seperate volume control for each mic. Loads of other features