This keyboard/mouse combo has Microban antimicrobial protection keeps product cleaner. It has superior light touch and feel. 2.4Ghz wireless technology provides cordless capability with reception up to 15ft. It teatures Multi Media keys, including Quick Launch buttons for search and web browsing. The cordless mouse has clear reception for up to 15 ft.; 3rd button/scroll capability offers ease of use and 1000 dpi optical readability. The keyboard is 60% thinner than standard keyboards. It’s Windows® XP, Vista and Windows 7 compatible; Plug & play compliant; USB connectivity. It includes 2 AA (keyboard) and 2 AAA (mouse) batteries.