M AUDIO Oxygen 25 MK4 USB MIDI Keyboard Controller

Features
25 full-size, synth-action velocity-sensitive keys
8 velocity-sensitive trigger pads for beat production, clip launching, and more
8 assignable knobs for manipulating virtual instruments and plugins
Assignable fader lets you mix your productions with ease
Transport buttons let you control your DAW without reaching for the mouse
DirectLink automatically maps controls to popular DAWs: Ableton Live, Pro Tools, Logic, Cubase, and more
LCD screen provides instant parameter feedback
Sustain pedal input for further creative control
USB-powered, plug-and-play support, and USB-MIDI connectivity
Includes Ableton Live Lite
Includes SONiVOX Twist, a powerful spectral morphing synthesizer
Includes AIR Music Tech Xpand!2, a multitimbral all-in-one workstation
Includes VIP3.0 - the ground-breaking, award-winning music software platform that provides musicians and composers with a powerful hands-on control solution for their virtual instrument and virtual effect collection
Requirements
Macintosh: 1.25 GHz G4/G5 or faster (Intel Mac recommended), 1 GB RAM (2 GB recommended), Mac OS X 10.4.11 (10.5 or later recommended)
Windows: 1.5 GHz Pentium 4 or Celeron compatible CPU or faster (multicore CPU recommended), 1 GB RAM (2 GB recommended), Windows 10, Windows 8, Windows 7, Windows Vista or Windows XP, Windows compatible sound card (ASIO driver support recommended), QuickTime recommended
Available USB Port