Introducing the exciting all new line of BadAax keyboards! This BadAax OR25 MIDI controller keyboard is perfect for those of us, not only on a tight budget but are lacking space for a full size keyboard. The new OR25 has 25 full sized keys but with a full octave up or octave down control switch, allows for a far greater number of notes. The USB connection provides a direct connection with the computer as well as the power supply. The BadAax OR25 MIDI controller keyboard offers high functionality in a very attractive price range. Features include: 25 full-size touch sensitive keys, Polyphony 10-note output (reverse priority), Controller switches 8 MIDI assignable controller switches, Overall controls: Data Entry slider, Octave Up, Octave down, Pitch and Modulation dials, MIDI/Select. Connections: USB Port (for power supply and MIDI), Sustain, MIDI Out. Power supply: MAC or PC USB port, 9 Volts Adapter (not included), Batteries (not included). Software support: MAC OSX, Windows XP, Vista Ready (no driver needed Type: Keyboards