Korg microKEY USB Keyboard - 37x mini-keys, velocity sensitive keyboard, built-in USB hub with 2x connections (type A), pitchbend wheel, modulation wheel, octave up/down buttons, USB bus powered. Compatible with Windows (XP & Vista) and Mac OS X. Includes Korg M1LE soft synth, Lounge Lizard Session and Toontrack EZDrummer Lite. Dimensions: 565 x 139 x 54mm. Weight: 1kg