Cleanliness & hygiene: Easy to clean Productive work: Unbeatable typing feel Sustainability: Washable, changeable membrane Modern design: Slim profile Maximum ease of use: 3 integrated status indicators, perfect slip resistance, 10 office & multimedia buttons, up to 36 months battery life Highest quality: Abrasion-resistant key labeling, Cherry SX scissor mechanism, AES128 data encryption Certification: GS mark, 'Blue Angel' eco-label Together, the CHERRY STREAM KEYBOARD WIRELESS and the CHERRY STREAM PROTECT MEMBRANE become the CHERRY STREAM PROTECT KEYBOARD WIRELESS. This means the keyboard offers the ability to be completely wiped clean or even disinfected, but remains very comfortable to type on. With frequent and changing use, keyboards can be a reservoir for dirt and germs. On the CHERRY STREAM PROTECT KEYBOARD, dirt and microorganisms such as bacteria and viruses can be simply wiped off the flat and completely enclosed key surface. The key membrane can be taken off the keyboard