A look at the manual, you can save yourself actually; the buttons are self-explanatory. Links disco lighting, which of course quite simple fails, Power, Stop, Forward and reverse skip, program and repeat, right infinitely variable rotary controls for master volume, balance between CD and microphone echo and microphone volume. While singing into the microphone, the CD volume is muted automatically, depending on the status of the master volume.
The sound quality is good enough to have fun, highly virtuosic demands you should not have. An equalizer or other control of ups and downs there were unfortunately not. As a music source can be used only CDs, USB or other ports for the input does not have the camera on.
All this is ultimately a whole quite well for the needs of the kids, but the operation hooked once, so that suddenly the snaps did not respond; This could be remedied by simple plug and pulling -wiedereinstecken.