The Hercules Universal DJ is the ideal ecosytem for connected DJs. Finally control your mixes from all your devices. Android, IOS, PC, and Mac! 1 controller, 1 program, 2 applications, 3 modes, and much more. The external source input allows you to connect any smartphone or tablet (using the included cable) and instantly access all your playlists on music streaming services. Add EQs and samples at your convenience!