Nektar SE49, USB MIDI controller keyboard, With 49 velocity sensitive keys, 7 Switchable velocity curves - 4 user presets, 3 fixed presets, Octave Up / Down & Transpose Up / Down buttons, 30 mm fader, DAW control etc. for transport, track and patch selection and level, Compatible with any MIDI-compatible software on OS X, Windows & iOS, Class compliant for real plug and play, USB powered, 6.3 mm jack connection for sustain pedal, Nektar DAW Integration: Windows Vista, 7, 8, 10, MAC OS X 10.7 or higher, Nektar DAW integration for all common DAWs including Bitwig, Cubase, Garageband, Logic, Nuendo, Digital Performer, Mixcraft, Reason, Reaper, Sonar and Studio One, Dimensions: 805 x 197 x 69 mm, Weight: 2.2 kg, Bitwig 8-Track software (download)