?  Comfort for Either Hand   Use your mouse with your left or right hand—ambidextrous design makes it comfortable either way.      ?  Optical Technology   Navigate with better speed, accuracy and reliability—the optical sensor tracks movement on nearly any surface without the hassle of clogged mouse parts.      ?  Scroll Wheel   Move through your documents quickly without having to click on the on-screen scroll bar.
	?  Media Center   Four hot keys let you control the most-used media activities (play/pause, volume up, volume down, and mute).      ?  Quiet-touch Keys   Quiet, responsive, thin-profile keys.      ?  Calculator Hot Key   With the touch of the button, you can quickly access the Calculator.      ?  Spill-Resistant Design   Enjoy a drink while you work—this keyboard is designed to withstand an accidental spill.      ?  Windows® Start Button   Press to launch your Start menu and search your PC or the Web if you have Windows Vista installed.      ?  Plug and Play   No software needed. Just connect the keyboard to your PC and go