The award-winning Freestyle Pro keyboard offers the same advanced ergonomic features of the Freestyle2 but with the additional benefits of full on-board programmability and low-force Cherry MX Quiet (red stem) lmechanical key switches. Instantly switch between Windows, Mac and Dvorak layouts or create your own. The FS Pro makes programming a breeze with onboard shortcuts and the no-install SmartSet App. And with a standard 20" linking cable everyone can find their comfort zone.