WORLDE P-61 Pro 61-Key USB MIDI Keyboard Controller LCD Display with 61 Semi-weighted Keys 16 RGB Backlit Trigger Pads 8 Assignable Sliders for Music Studio Stage Live Performance Features: This professional MIDI keyboard featuring exquisite brushed aluminum alloy panel, high definition LCD display and 61 semi-weighted keys with aftertouch, is suitable for music studio recording and stage live performance. 16 velocity pressure sensitive performance trigger pads with RGB backlit; 8 assignable dials. Each dial can establish an independent channel, and can be assigned as 128 controllers. 8 assignable slider, and each slider can be assigned as 128 controllers; 20 function buttons, providing functions like PROGRAM, CHANNEL, VEL-CURVE, OCTAVE, TRANSPOSE, BANK M, BANK L, DUAL, SPLIT, MUTE, AFTER TOUCH, CONTROL ASSIGN and etc. With 6 buttons for MMC, pitch bend and modulation touch strips; built-in memory, which can store/load 6 groups of users parameter; 2 pedal interface-- A sustain pedal interface, B assignable pedal interface(default as expression pedal), which can be assigned as 128 controllers; 1 * MIDI OUT & 1 * MIDI IN. USB interface, adaptable B 2.0(FULL SPEED); Drive free and hot-plug supported; Compatible with Windows XP/Vista/Windows7/8/10 and Mac OSX; Can be powered by USB and DC 9V; have the ability for future upgrading via USB. Specifications: Brand: WORLDE Model: P-61 Pro Color: Silver/ Black(optional) Operating system: Compatible with Windows XP/Vista/Windows7/8/10 and Mac OSX Item size: 89 * 26.3 * 7cm/ 35 * 10.4 * 2.8in Package size: 96 * 30.5 * 11cm/ 37.8 * 12 * 4.3in Package weight: 5.5kg/ 12.1lbs Package List: 1 * MIDI Controller 1 * USB Cable