Manufactured to the Highest Quality Available..With True Enhanced Performance..Latest Technical Development. The DJ Mouse is the first computer mouse customized for DJ applications. Control, mix, play, and scratch your iTunes playlists, MP3, or WAV files using the included Traktor 3 LE DJ software. With a customized mapping for Traktor 3 LE, you can control basic DJ functions directly through the DJ Mouse. Functions such as cue, play, and loop can all be done directly through the DJ Mouse. You can also scratch your music files with the integrated jog wheel or directly control all of the X and Y parameters for Traktor 3 LE's effects. Slim, compact, and completely customized for Traktor 3 LE, the DJ Mouse is all you need to begin DJing!