You must install K Music and Lyrics Kara OK system v4.0.0 or later on the windows.
(Windows can also be mounted on the plate, when the car engine or the living room are suitable KTVBOX)
This program can be used as K Music and Lyrics Kara OK system-on-demand stations can use the phone and tablet to the song and the song.
Note that this program must be used with K Music and Lyrics Kara OK system (Windows platform) use, thank you.
Official website: http://www.ksonglover.com