The M-Audio Keystation 88es USB MIDI controller keyboard gives you a full-sized 88-key keybed in a very lightweight and compact unit. The Keystation 88es features velocity-sensitive, semi-weighted keys for natural feel and expressive playability, letting you get the most out of your virtual instruments and software synths. This controller includes an assignable slider that doubles as a volume control, data up/down buttons, an advanced programming function button, and pitchbend and mod wheels. Plus, you get a free download of Avid Ignite music creation software. Ignite your creativity with the M-Audio Keystation 88es.