Innovative SilentTouch technology for same typing and clicking feel with 90% less noise (1)Keyboard with 8 convenient shortcuts and full numpad for efficient data entry and easier navigation. Gives you one-touch access to play/pause, volume, mute, and the InternetContoured and portable shape with smooth, precise clicking and pointing on most surfaces and SilentTouch technology for quiet clicksConnect in 3 seconds (2) with a tiny receiver that delivers a strong, reliable 2.4 GHz wireless connection and 10 m range for a clean, clutter-free desk areaCompatible with Windows or Chrome OS and easily connects for plug-and-play simplicitySpill-proof design (3), durable keys, and sturdy tilt legs with adjustable heightA 36-month keyboard and 18-month mouse battery life—plus on/off switches—means you can go for months without the hassle of changing batteries (4)Certified Carbon neutralBrandLogitechColourGraphiteConnectivity technologyUsb, Radio FrequencySpecial featuresPortableCompatible devicesPersonal Computer