Arturia Keystep 37, USB Controller Keyboard, 37 Velocity-sensitive mini keys (Slimkey) with aftertouch, 64-Step sequencer, Chord and scale functionality, Arpeggiator, LED display, 4 Freely assignable controllers, Transport buttons, Touch strips for pitch and modulation, RGB LED strip, Dimensions (W x H x D): 550 x 35 x 147 mm, Weight: 1.6 kg, Includes USB cable, anti ground loop adapter and Ableton Live Lite license (appears in customer account after registration)@+*Connectors:*@+@+, 3 CV outputs: 3.5 mm mini jack, Clock sync input and output 3.5 mm mini jack, USB, MIDI input and output, Sustain pedal input 6.3 mm jack, Input for external power pack (optional, not included)