midi keyboard oxygen 25

good condition
25 velocity-sensitive keys
8 MIDI-assignable knobs
1 MIDI-assignable slider
6 dedicated transport controls
Dedicated track up/down buttons
DirectLink mode automatically maps controls to common DAW parameters
Factory presets map controllers to popular virtual instrument software
Unique Select buttons for on-the-fly step through of presets, program changes and MIDI channels
4 velocity curves and 3 fixed velocity settings
Sustain pedal input
Class-compliant with Windows XP, Windows Vista and Mac OS X
USB bus powered
Includes Ableton Live Lite
Includes Ignite music creation software

Weight:3.8lbs. (1.7kg)
Size: 16.2" L x 9.4" W 3.7"
More info About it :
https://m-audio.com/products/view/oxygen-25-legacy