Media center Four hot keys let you control the most-used media activities (play/pause, volume up, volume down, and mute). Quiet-touch keys Appreciate a keyboard with quiet, responsive, thin-profile keys. Calculator hot key With the touch of the button, you can quickly access the calculator. Spill resistant Enjoy a beverage while you work. This keyboard is designed to withstand an accidental spill. Windows start screen key Simply press the Windows start screen key to view your apps and start screen. Plug-and-Play No software needed. Just connect the keyboard to your PC and go! Comfort Experience comfortable use in your right or left hand. Optical technology Enjoy high-performance optical technology. The 800-dots-per-inch (DPI) optical sensor delivers greater accuracy and control. Scroll wheel Move through documents and webpages quickly