Wireless keyboard offers a compact size with a familiar layout three-year battery life and instant access to the things you do most. Six hot keys deliver instant access to play pause previous next volume and mute. 12 programmable F-keys let you easily customize to open your favorite applications folders or Web pages. Framed keys barely make a sound. Advanced 2.4 GHz wireless offers a long-range wireless connection that virtually eliminates delays dropouts and interference. Included tiny unifying receiver stays in your laptop and you can easily add a compatible wireless mouse keyboard or number pad without the hassle of multiple USB receivers. Sturdy adjustable-tilt legs let you extend them to increase the keyboard tilt by 8 degrees for your comfort. Rubber feet prevent slipping. Wireless Keyboard K360 also offers plug-and-play simplicity. Simply plug the wireless receiver into a USB port pull the battery tab and start using your keyboard right away without software.