The black Kensington Keyboard is a plug & play keyboard with a USB cable. This keyboard is spill resistant. This keyboard will therefore continue to work if coffee, tea, soft drink or water spills on it. This spill-proof keyboard works perfectly with your computer and contains a 105-key layout with Euro symbol for international compatibility. It is suitable for computers with Windows 7 or later or Mac OS X 10.9 or later. The tough 150cm USB cable means there is no need to worry about wireless interference or changing batteries.