Great value in a sleek keyboard This keyboard combines a spill-resistant keyboard with all the features you need—and more—with Microsoft quality and reliability. Enjoy plug-and-play setup, Windows Vista® integration and Quiet Touch keys with quick access to media controls and calculator. 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! 3-Year Limited Hardware Warranty Computer/Operating System Requires a PC that meets the requirements for and has installed one of these operating systems: Windows Vista®/Windows XP. Hard Drive 60 MB Other USB CD DriveInternet access is required for software installation. Local and/or long-distance telephone toll charges may apply. Computer/Operating System Mac OS X v10.2x*–10.5x. Dashboard will only work with Mac OS X v10.4 or higher. Exposé will only work with Mac OS X v10.3** or higher. Hard Drive 30 MB Other USB CD Drive*Users of Mac OS X v10.2.x must install enclosed IntelliType Pro and IntelliPoint software before connecting the hardware. **Users of Mac OS X v10.3.x must upgrade to Mac OS X v10.3.9 before connecting hardware OR install the enclosed IntelliType Pro and IntelliPoint software before connecting the hardware. Internet access is required for software installation. Local and/or long-distance telephone toll charges may apply.