Roland A-49 Black, USB MIDI Keyboard Controller, 49 Full-size keys with velocity sensitivity, Compact design, Two knobs, Two switches, D-BEAM controller, USB powered, Connectors: HOLD pedal (jack), EXPRESSION pedal (jack), MIDI out, USB computer (USB type B), Dimensions (W x D x H): 836 x 182 x 84 mm, Weight: 2.5 kg, Colour: Black