Wireless keyboard and mouse combo that reduces over 90% of noise and maintains the same typing and clicking feel:Innovative SilentTouch technology for the same typing and clicking feel with 90% less noiseKeyboard with 8 convenient shortcuts and full numpad for efficient data entry and easier navigationContoured and portable shape with smooth, precise clicking and pointing on most surfaces and SilentTouch technology for quiet clicksStrong, reliable 2.4 GHz wireless connection with a 10 m range and a tiny USB receiver for a clean, clutter free desk areaCompatible with Windows or Chrome OS and easily connects for plug-and-play simplicitySpill-proof design, durable keys and sturdy tilt legs with adjustable heightA 36-month keyboard and 18-month mouse battery life—plus on/off switches—to reduce the hassle of changing batteries