What is the most distinctive feature of this product?

This unit facilitates unique DJ performances with Serato DJ (free) through use of PERFORMANCE PADS that allow you to add arrangements to music with beats, rolling, and other dynamic actions by assigning four functions of Serato DJ to the pads, BIG JOG that gives you total control over scratch play, and 4-CHANNEL MIXER that supports multi-track mixing using the 4-deck function. Furthermore, an easy-to-use operation panel layout, numerous input and output terminals, and a high quality design employing aluminum material for the top panel support a variety of DJ performance styles in various scenes such as nightclubs and home parties.