Features: 25 speed sensitive mini-keys, with 3 speed curve and 1 constant speed; 8 Assignable rotary knobs, each can be edited by user.  16 high quality speed & pressure sensitive performance pads with RGB backlit, can be assigned easily as pads, MIDI note buttons.  2 touch sensors of dynamic pitch bend and modulation touch strips; Play and record transport control buttons.  Powerful and creative Arpeggiator for generating ideas quickly; Fixed Chord mode; Brilliant OLED display for immediate parameter setting.  6.35mm standard sustain pedal jack, compatible with switch pedal; you can also connect to your hardware with the standard 3.5mm TRS MIDI Out jack.  USB 2.0(FULL SPEED) interface, compatible with Win XP/7/8/10/Vista, drive free and hot-plug supported; Power supplied by USB.    Specifications: Color:Black + White;  Operating system:Compatible with Win XP/7/8/10/Vista;  Item size:31.9 * 19.3 * 5cm/ 12.6 * 7.6 * 2in;  Item weight:800g/ 1.8lbs;  Package size:38.5 * 22 * 5.5cm/ 15.2 * 8.7 * 2.2in;  Package weight:1115g/ 2.5lbs;    Packing List: 1 * MIDI Controller;  1 * USB Cable;  1 * 3.5mm to MIDI Cable