Pioneer DDJ-S1 Serato Itch DJ Equipment.
Pioneer and Serato collaborate to produce a truly professional Itch controller with all the familar Pioneer CDJ controls and quality
Leave Your CD's At HomeThink of it as two CDJ1000's with control disks, a Pioneer mixer and a Rane Scratch live box all in one. An easier way to DJ better.
So do this.
1 - You've got all your tunes as MP3's in iTunes on your notebook.
2 - Download and install Serato Itch on your notebook.
3 - Plug the DDJ1 into your notebook via USB (thats your notebook you see in the picture, the keyboard slips under DDJ)
The DDJ now controls your files similar to Serato Scratch Live and a RANE mixer.
A Couple of Hints