M-Audio Oxygen Pro 25 – 25 Key USB MIDI Keyboard Controller With Beat Pads, MIDI assignable Knobs & Buttons, and Software Suite Included : Amazon.co.uk: Electronics & Photo
M-Audio Oxygen 25 MK5 - USB MIDI Performance Keyboard Controller - Promenade Music
M-Audio Oxygen 25 IV - 25-Key USB MIDI Keyboard Controller Featuring Velocity-Sensitive Keys, 8 Pads and 8 Knobs, Plus ProTools | First, Ableton Live Lite and 3 Premium Virtual Instruments: Amazon.co.uk: Musical
M-Audio Oxygen 25 USB Midi Keyboard Controller - Own4Less