The Oxygen 25 USB MIDI controller delivers next-generation functionality from M-Audio the leading innovator in mobile music production technology.The Oxygen 25 features eight assignable knobs plus dedicated transport and track select buttons. DirectLink mode automatically maps these controls to common DAW functions* including transport mixer track pan and plug-in parameters.Built-in factory presets offer support for popular virtual instruments right out of the box - no complicated setup required. Velocity-sensitive keys and a sleek compact design round out a portable keyboard thats perfect for laptop production live DJ performance triggering samples or composing on the go.No other MIDI controller in this price range has so much functionality while remaining easy to use.