HP x500 Optical Wired USB Mouse Support through subtle form: Elongated arch and contoured design provide relaxed control for either hand. 1 step USB: With simply inserting the USB cord,(1) you power your mouse and avoid ever replacing batteries. No software or downloads. Just start scrolling and clicking away. Familiar controls: Navigate Windows easily with 3 button control and scroll wheel. Optimal light: The optical tracking technology provides ideal tracking on most surfaces for accurate and smooth control.