Paul Heyerdahl from Novation presents the Launchkey Series of USB MIDI keyboard controllers: https://www.sweetwater.com/store/search.php?s=launchkey
Novation launched Launchkey at Winter NAMM 2013, a range of keyboard controllers with up to 50 physical controls including 16 velocity-sensitive, multi-color trigger pads that launch clips and scenes in Ableton. Powered by your computer or iPad, Launchkey gives you hands-on control of your DAW’s mixer, instruments and more, and works with the Launchkey and Launchpad iPad apps.
Novation Launchkey Keyboard Controller Features:
• 25, 49 and 61 note keyboard controllers; powered by your computer or iPad
• Velocity-sensitive synth-style keybed; pitch and mod wheels; octave, track up/down buttons
• Up to 50 physical controls including 16 velocity-sensitive multi-color trigger pads
• Enjoy hands-on control of your DAW’s mixer, instruments and more