The Nektar SE49 USB MIDI controller keyboard has all the features you need to start making music with your computer.
 
Features
49 velocity-sensitive full-size keys (synth-action)
4 velocity curves + 3 fixed ones
4 buttons: Octave Up/Down, Transpose Up/Down
30 mm volume fader
Transport control via secondary button function*
Works with any DAW or MIDI music software on OS X, Windows and Apple iOS.
Connections: USB port (USB-powered),
1/4” TS jack foot switch input
Weight & Dimensions: 80.5 cm (L) x 19.7 cm (D) x 6.9 cm (H), 2.2 kgs
(*= requires Nektar DAW Integration)
 
System Requirements
USB class compliant (no driver needed)
SE49: Windows XP, Vista, 7, 8, 10 or higher. Mac OS X 10.5 or higher, Linux (Ubuntu).
Compatible with Apple iOS (requires camera connection kit)
Nektar DAW Integration: Windows Vista, 7, 8, 10 or higher. Mac OS X 10.7 or higher. (All other requirements dependent on the DAW software used, please consult the respective manual for further details)
 
In the box
SE49 MIDI keyboard controller
USB cable
User Guide
Bitwig licence card
More info: https://nektartech.com/se49-midi-controller-keyboard/