Logitech Wireless Keyboard K360. Beautifully convenient. Conveniently compact. You'll enjoy more comfort with your laptop or netbook & a layout you're used to-in a space-saving design that's about 20% smaller than our standard keyboards. It's virtually hassle-free with a 3-year battery life & plug-&-play setup that takes seconds. The things you do most are easier too, thanks to six Internet & media hot keys & 12 programmable F-keys. Logitech Advanced 2.4 GHz wireless connectivity gives you the reliability of a cord with wireless convenience & freedom-all in a tiny Logitech Unifying receiver that's small enough to stay in your laptop & lets you add compatible devices to it. More comfort & a familiar layout in a compact design Hassle-free design with a 3-year battery life (Keyboard battery life calculation based on an estimated two million keystrokes/year in an office environment. User experience may vary), pre-installed batteries & plug-&-play setup Six hot keys & 12 programmable F-keys (Programming keys requires Logitech Set Point software (Windows), available for download at www.logitech.com/downloads) Logitech Advanced 2.4 GHz wireless connectivity Logitech Unifying receiver System Requirements: USB (Universal Serial Bus) Port