"MODEL- A4B-00007 VENDOR- MICROSOFT CORPORATION FEATURES- Business Hardware Pack Mac/Win- Black This stylish affordable desktop set offers smart features for businesses that make day-to-day productivity a breeze. The zoom slider makes it easy to zoom in for a closer look at documents and images and My Favorites keys provide one-touch access to common commands. The IntelliMouse Optical (included) works on virtually any surface for enhanced performance. * Zoom Slider The Zoom Slider makes it easy to zoom in for a closer look at documents spreadsheets pictures maps and Web pages. Featured on some of the latest Microsoft keyboards the Zoom Slider is as intuitive as adjusting the lighting in a room by using a dimmer--just slide a lever on the keyboard to zoom in and zoom out without ever taking your hand off the keyboard. * ""My Favorites"" Keys Now you can get one-key access to your favorite Web sites and files. To assign a key to a destination just press and hold a key. It is a snap to set up custom settings for multiple users and the ""show favorites"" hot key gives you a quick view of current settings. * Ergonomics Meet the experts behind Microsoft's advanced ergonomic designs. Top ergonomists and designers make sure the products you use every day are more comfortable. You can feel the results. * Left- or Right- Handed Work in comfort whether you use your mouse with your left or right hand. Ambidextrous design makes it comfortable either way. * Enhanced F-Key Functionality Perform common tasks like opening documents and replying to e-mail with the touch of a button. Or toggle between standard and enhanced F-key commands for even more flexibility. * Sleep and Log Off Hot Keys Put your computer in ""sleep"" mode or log off Windows with the press of a key to save energy and protect your data. * Compatibility PC- and Mac-Compatible REQUIREMENTS- PC : Windows XP/Media Center Edition or Tablet PC Edition with Pentium 233 MHz or higher processor. Windows 2000 Professional or Server with a Pentium 233 MHz or higher processor. 60 MB of available hard disk space Available universal serial bus (USB) port or PS/2 keyboard and mouse port. CD-ROM drive Mac: Mac OS X version 10.1 to 10.3.x (excluding 10.0) 30 MB of available hard disk space Available universal serial bus (USB) port CD-ROM drive "