Midiplus X3 mini, USB MIDI Keyboard, 37 Velocity-sensitive mini keys, Touch strips for pitch bend and modulation, Octave selector button, 4 Programmable knobs for MIDI CC commands, 6 Programmable buttons for transport functions or MIDI CC commands, 6.3 mm Jack input for sustain pedal (not included), USB powered, MIDI Out, Plug & Play for Mac and PC, Dimensions: 556 x 137 x 51 mm