Fellowes Microban Slimline Cordless Combo offers advanced cordless technology and space-saving features plus Microban antimicrobial protection to keep product cleaner. 2.4Ghz wireless technology also provides cordless capability with reception up to 15ft. Additional features include Multi-Media keys, with quick launch buttons for search and web browsing. The cordless mouse also has clear reception for up to 15 ft. With a 3rd button/scroll capability, mouse offers ease of use and 1000 dpi optical readability. Compatible with Windows XP, Vista and Windows 7. Plug & play compliant; USB connectivity. Includes 2 AA (keyboard) and 2 AAA (mouse) batteries.