Here's what we say about the standard Korg MicroKey 25
Forget Mini. This is Micro! The Korg Microkey is the most portable way to get 25 velocity sensitive keys for MIDI input on the move! Powered directly from the USB hub, the Korg MicroKey will integrate via MIDI with all popular DAW software and allow you to play and control synths and virtual instruments on your laptop with ease.
For anyone after a compact keyboard that they can take with them wherever they go, the MicroKey offers the additional benefits of a comfortable, velocity-sensitive keyboard in low-profile no-fuss format. Simple and effective, the MicroKey will never leave your laptop's side. It even comes with bundled software to get you started!