Today, more than ever, we have to be careful to keep commonly touched surfaces clean. The washable Pro Fit wired keyboard makes it easy. Its rugged, water-resistant design allows you to easily spray, wash, or rinse the entire 104-key full-size keyboard, safely for dipping and frequent use of spray cleaners, thanks to a thin membrane that protects internal components , keeping them dry *. And since the keys are laser etched, they will resist water and solvents, while remaining highly legible. Ideal for cleaning up spills. A wired USB connection offers reliable performance without the need for batteries. Works with Windows 10, 8.1, 8, 7; and Mac OS X 10.6 and later versions. Connectivity technology: Wired Colour: Black Number of keys: 104 Style Keyboard: black