Miditech Garagekey Groove, USB MIDI Keyboard, 25 velocity-sensitive minikeys, 8 velocity-sensitive triggerpads, 4 free assignable v-pots, 4 free assignable faders, 4 banks for user settings, Buttons for octave up/down, pitch up/down, modulation, program change, PC and Mac editor software, Class compliant for Win XP/Vista/7/8 and Mac OSX, software licenses included (download versions) - Magix Samplitude Silver (PC), Toontrack EZ Drummer Lite, Makemusic Finale Notepad, IK Multimedias Amplitube CS and Imagelines Poizone Synthesizer, dimensions (WxDxH): 320 x 193 x 40 mm, weight: 750 gr.