The M-Audio Axiom AIR Mini 32 is a small, portable MIDI keyboard perfect for producing music on your computer. Just plug it into your Mac or PC via USB and start playing or recording in most applications. It has 32 mini keys (velocity-sensitive for expressive playing), 8 drum pads for beats and samples, 8 knobs for controlling sounds and effects Pitch bend, modulation, and octave controls. It also has Transport buttons (play, stop, record) and is USB-powered using a standard cable. It works with most recording software (Ableton, Logic, etc.).