Comfortably compact: Great for tight workspaces-the standard layout you're used to in a space-saving size
Hassle-free design: Up to 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 ( Requires programming with Logitech's SetPoint software, free for download at www.logitech.com/downloads)
2.4 GHz wireless: Enjoy a reliable connection using a tiny Logitech Unifying receiver that can stay in your laptop (When you open the box the piece is stored right there on the edge of the packaging)
System Requirements: Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10; USB port
Dimensions : 15.6 x 6.5 x 1.8 inches