Simplicity-No Software to install simply plug in and start working with this HP X500 wired mouse. AMBIDEXTROUS DESIGNThis Hp x500 wired mouse is designed for comfortable use in either hand. Designed with your comfort in mind, the elongated arch and contoured shape provides relaxed control for either right or left-hand users. USBWith a simple inserting the USB cord, you power your mouse and avoid ever replacing batteries. No software or downloads. Just start scrolling and clicking away hence saving you the cost and hassle of replacing batteries. FAMILIAR CONTROLSNavigate Windows easily with 3 button control and scroll wheel. OPTIMAL LIGHTThe optical tracking technology provides ideal tracking on most surfaces for accurate and smooth control.