★Professional master MIDI keyboard with built-in USB. ★61keys with initial touch 2×programmable pedal interface(pedal B). ★Compatible with switch pedal and continuous pedal.They can be configured to152controllers,preset is soft pedal(PedalA)and sustain pedal(PedalB). ★1×programmable slider,can be configured to 148 controllers,preset is master volume. ★Pitch Bend wheel and Modulation Wheel(Wheel1 and Wheel2), can be configured to 148 controllers. ★2×Programmable data button(Data+/-),can be configured to160 controllers. ★1×Edit button,switch multi-function keyboard status. ★1×Switch button,switch between knob function groups. ★4×Programmable dial,two groups of function(A1～A4andB1～B4),the midi channel of each dial can be configured independently.they can be configured to 160 controllers. ★Program,dual,split,tempo,mute,snap shot,and so on. ★Multi-functional keyboard. ★1×MIDI output. 1×USB port,compatible with USB. ★Power supply by usb and DC 9V. ★Compatible with win XP/Vista/windows7/windows8 and Mac OSX.drive free and hot plug supported. ★Compatible with major sequencer and audio software.