Logitech Wireless Keyboard K360 (Dark Silver) Comfortably compact: Great for tight workspaces - the standard layout you're used to in a space-saving size Hassle-free design: Upto 3 years of power without battery changes plus simple setup with plug-and-play wireless receiver 12 one-touch activity keys: Instantly access the things you do most like email, the Internet and your Facebook page Powerful 2.4 GHz wireless: Enjoy a reliable connection using a tiny Logitech Unifying receiver that can stay in your laptop Requires programming with Logitech's SetPoint software, free for download 12 one-touch activity keys: Instantly access the things you do most like email, the Internet and your Facebook page Hassle-free design: Up to 3 years of power without battery changes plus simple setup with plug-and-play wireless receiver (Keyboard battery life may vary depends on usage) Keyboard battery life may vary depends on usage PC Compatible: Works with Windows-based laptop and desktop computers