nektar SE25 Mini 25-Key USB MIDI Keyboard Controller

Features:
Mini MIDI keyboard controller with 25 velocity-sensitive keys and 6 buttons(Octave up/down, PB1/PB2, S, 2).
PB1 and PB2 buttons can be set to either Pitch Bend, Transpose, Volume, Pan, Track or Patch change.(Track and Patch changes require Nektar DAW integration)
2 button instantly changes Octave, MIDI Channel, Transpose, Layer and latch(momentary); S button is assignable to Sustain or Modulation.
Nektar DAW integration for Bitwig, Cubase, GarageBand, Logic, Nuendo, Reason, Reaper, Mixcraft, Sonar, Studio One, etc.
USB class compliant and USB powered. Works with any DAW or MIDI music software on OS X, Windows and iOS system.