The ION iCUE Desktop DJ Mixing System can be integrated on your PC through a USB port for a simple mixing of two songs simultaneously. Impress your audiences on your scratching techniques through the mixing system"s two decks. The mixing system offers efficient music mixing through its crossfader, volume, tempo, and equalizer controls. Its auto sync button for smooth track transitions and match enjoying beats. This mixing system includes a Numark CUE LE Software so that whenever you integrate it in your PC, you can compose impressive remixes to everyone.