KORG Nanokey2 White Midi Keyboard, with 25 small keys and 4 sensitivity levels. The keys are designed to offer precise touch response and speed for better performance. It features an octave shift button that allows for octave shifting. When used in conjunction with the Key Transpose function it can access the full range of notes in the MIDI spectrum. It also features Pitch Bend, Modulation and Sustain buttons that can be adjusted with the tach you specify for smooth changes and improved performance. The nanokey comes with free software so you can make your keyboard settings (three speed curves or constant speed).
Specifications:
Connections: mini-USB
System requirements:Apple Macintosh with USB port, meeting the functional requirements of Mac OS X.
Operating system: Mac OS 10.8 Mountain Lion or later.
Supported computer: With a USB port that meets the functional requirements of Windows 7 (Intel USB chipset recommended)
Arturia Minilab 3, MIDI keyboard controller with 25 high quality note velocity-sensitive slim keyboard, 8 RGB Pads, 8 encoders, 4 faders and a Mini display with clickable browsing knob.
AKAI LPK25, 2-octave MIDI controller with 25-key Gen 2 dynamic keybed, built-in arpeggiator, Internal/External clock sync control and sturdy, standard-size USB jack.