Features 1、USB MIDI keyboard pad controller with 61 assignable velocity sensitive keys, 1 master volume slider and 8 assignable sliders. 8 assignable trigger pads with colorful RGB backlit in working status, comfortable and accurate. 2、8 assignable knobs, programmable and 360° infinitely rotating; 8 control buttons，each button can support dual functions via the shift key. 3、6 buttons for MMC and 10 data entry buttons; Pitchbend and modulation wheels can be assigned as 135 controllers. 4、With 2 assignable pedal (A and B) interfaces and MIDI IN or OUT; USB 2.0 powered, plug and play, no need of driver installation. 5、Compatible for Win 10 8 7 XP, for OS X; Compatible for CAKEWALK, for FL Studio, for Pro Tools, for Ableton Live, for Logic Pro, for CUBASE, for Studio One, for Piano Apprentice, for Lgrand Piano, for Music Studio and other mainstream music software or APP. Specification Color: Black Material: Plastic Power Supply: DC 9V Power Adapter(Not included) or USB Cable(Included) Operating System: Support for Win 10 8 7 XP, for OS X Item Size: 93 x 26.5 x 6cm / 36.6 x 10.4 x 2.4in Item Weight: 4kg / 8.8lb Package List 1 x MIDI Keyboard Controller 1 x USB Cable