A thin membrane protects the internal components and allows you to fully immerse keyboard in water to clean it from food, soda, coffee or any other unwanted substances. Can safely stand up to immersion or frequent use of spray cleaners (USB connector cannot get wet.) Full-size 104-key layout. Compatible with Windows 10, 8.1, 8, 7 and Mac OS X 10.6 and later. With 6 rows of keys including a numeric keypad, the layout is ideal for the touch typist looking for comfort and responsiveness. Provides direct and reliable connection for continuous performance and eliminates the need for batteries. Wired, reliable USB connectivity. English. Black.