Microsoft Business Hardware Pack A4B-00007 USB Keyboard and Optical Mouse Zoom Slider - Move in and out of items you view on-screen quickly and easily My Favorites keys - Access Web sites and files with the push of a button Multimedia Center - Control your media activities with the touch of a button Customizable Hot Keys - Get one-touch access to the programs and files you use most Calculator - Lock Workstation - Sleep keys above NumPad