KORG microKEY-25 25-Key Compact USB MIDI Keyboard Controller USB Powered

Features:
Compact and Playable MIDI Keyboard: 25-Key natural touch MIDI keyboard features excellent playability while staying compact, easy to play chords or rapid phrases, and suit your playing style and space/travel requirement.
A Single USB Cable Connection: USB bus-powered design, you only need a single USB cable to connect the MIDI keyboard to Mac or Windows computer, also supports easy connection to iPad and iPhone via an conversion cable(not included). Plug-and-play, very convenient to use.
No Need Drivers and use with Music Software: There is no need to install a driver, just use your preferred music software. With microKEY, you won't have to purchase additional software, lavish array of powerful music software bundled free of charge, and you can start creating music right away.
With Sustain Octave Control Buttons: With a sustain button that implements the damper function, and you can use the octave buttons in conjunction with the key transpose function to play MIDI's entire range of notes.
Pitch Bend Modulation Arpeggiator Functions: With a joystick that can control pitch bend and modulation, as well as an arpeggiator function, giving you full control of the MIDI keyboard in spite of its space-saving dimensions, and providing a wealth of performance expression.