- Ion Discover DJ computer DJ system- Includes everything you need to DJ with your computer- Large touch-sensitive scratch wheels for natural scratch feel- Crossfader enables you to mix between songs- Perfect your sound with Bass and Treble controls- Automatically matches tempo from one song to the next- Record and share your DJ performances- Extend the mix by looping your favorite parts- Plug-and-play USB connection requires no drivers or power adapter- Easy-to-use MixVibes Cross LE DJ software included- Perform with the music in your iTunes music library- Includes USB DJ controller, software CD, USB cable, quick start guide- Requires Mac OS X or later, Windows XP or later and USB portDISCOVERDJ