- Enjoy optical precision for smooth, accurate tracking on all surfaces, with no cleaning! The beautifully-crafted and easy-to-use HP USB 3-button Optical Mouse is designed for good looks, comfort and performance.- Get an elegant, coordinated look with the HP USB 3-button Optical Mouse. The high-tech piano black finish and distinctive sculpted edges are the perfect complement to your PC.- Keep on pointing and clicking in comfort. HP USB 3-button Optical Mouse is symmetrical in design for comfortable use by both left- and right-handers. The textured sides enhance control, while the rubber scroll wheel improves grip.- Say goodbye to cleaning. Because there's no ball to clean, the HP USB 3-button Optical Mouse keeps on providing the tracking precision you need without getting bogged down by dirt or dust.- The HP USB 3-button Optical Mouse features a smooth, fast scroll wheel and Teflon feet to keep you scrolling even on less-than-perfect surfaces.- Just open the box and go. With the HP USB 3-button Optical Mouse, it's that easy. With USB connectivity and standard 3-button operation, you'll be up and running in no-time. There's no driver or software to install.