Innovative SilentTouch technology (1) delivers the same typing and clicking feel with 90% less noise Keyboard with 8 useful shortcuts and a full numeric keypad for efficient data entry and easier navigation. One-touch play/pause, volume, mute, and Internet access .Contoured and portable shape with smooth, precise clicking and pointing on most surfaces and SilentTouch technology for silent clicks .Connect in 3 seconds (2) with a small receiver that strong, reliable 2.4GHz wireless connectivity and a 10m range, and get a clean, clutter- desk space .Compatible with Windows or Chrome OS and easily connects for plug-and-play simplicity .Sealed design (3), durable keys, and sturdy tilted legs with adjustable height .36-month keyboard and 18-month mouse battery life—plus on/off buttons—means months of use without the hassle of changing batteries (4) .Plastic parts in the MK295 Graphite contain certified post-consumer recycled plastic: 49% for the mouse and 71% for the keyboard.