An expressive keyboard controller that plays like an acoustic instrument KMI’s patented Smart Sensor Keyboard Fabric technology Supports MPE, Polyphonic Aftertouch and standard MIDI 1.0 48 resilient silicone keys and no moving parts for superior durability Multiple dimensions of touch sensitivity in each key: attack velocity, release velocity, continuous pressure, horizontal position, and vertical position Control 5-pin MIDI DIN hardware using the K-701 MIDI Expander or K-701C MIDI Out Cable (both sold separately) USB powered and class compliant to ensure both portability and compatibility with macOS, Windows, iOS, Android