Korg Microkey 2 37 Air

The Korg Microkey2 37 Air is a mini master keyboard Bluetooth for connecting iPad, iPhone and Mac.
The mini keys are 37 and has a joystick, arpeggiator, sustain button, tap and the selection of octave.
The Korg Microkey2 37 Air can be powered by batteries (2x AA) or via USB.