61 key touch response keyboard with easy-to-use professional features like AUX IN, DJ pattern mode and assignable Live Control knobs that unlock a world of options for musical expression. Pattern function to create your own grooves. Real time Control Knobs, real time pitch control. 755 High Quality Voices Including Super-Realistic Sweet! and Cool! Voices. Arpeggio Function. AUX IN. iPhone/iPod touch/iPad connectivity. Yamaha Education Suite.World Wide Sounds Support Your Music. Music Database. USB to Device Terminal. Includes keyboard stand.