Alesis Q88 | 88-Key USB/MIDI Keyboard Controller with Pitch & Mod Wheels 88-key USB MIDI keyboard controller provides the ideal surface for composing and performing music with computer-based digital audio workstations, sequencers, and more 88 semi-weighted velocity-sensitive keys give you piano-like responsiveness and range for professionals or practice sessions Pitch and Modulation wheels add musical expression; perfect for emulating the nuances of specialized musicians via DAW software Octave Up and Down buttons extend the note range for expanded melodic range Sustain pedal input, aux pedal input and MIDI output for pro-level performance + versatility Single USB cable simplicity delivers both data and power Ableton Live Lite Alesis Edition software is included to get you creating right out of the box