The ION iCUE system allows you to mix MP3 files directly from your computer.iCUE features professional DJ software and a dedicated controller, allowing you to scratch, control pitch and automatically beat-match digital music. With built-in sampling, looping and effects processing capability, iCUE helps you mix like a pro.ION iCUE FeaturesUSB Control SurfaceBass, Mid, and Treble ControlsCUE LE software with automatic beat matching DJ-style cross fader CUE LE Software Scratching Looping Beat detection with waveform display Automatic beat matching EQ control