Oxygen 25, M-AUDIO, 25 Key USB MIDI Controller - Keyboard Only, As Pictured.

M-Audio Oxygen 8 V2 25-Key USB MIDI Keyboard Controller Silver Untested

M-Audio Oxygen 25 3rd Gen USB Midi Keyboard Controller UNTESTED SPARES

M-Audio Oxygen 25 MK IV USB MIDI Keyboard Controller

M-Audio Oxygen 25 3rd Gen 25-Key USB MIDI Controller Keyboard Not Tested

M-Audio Oxygen 8 V2 25-Key USB MIDI Keyboard Controller Silver Silver/Black

M-Audio Oxygen 8 v2 MIDI Controller Keyboard 25 Keys, with extras

M-Audio Oxygen 25 USB MIDI Keyboard Controller TESTED WORKS