HP H4B81AA Wired Ambidextrous Optical Mouse  (USB 2.0, Black)

The impressively sleek and durable HP 3-Button USB Laser Mouse is designed for everyday performance and to complement your HP Business Notebook. Laser tracking technology delivers variable speed precision on a variety of surfaces and the mouse wheel functions as a third button. The mouse has no ball or moving parts, for improved durability and reduced sticking and cleaning. The contoured shape can be used in either hand. With the contoured shape, it is easy to use in either hand.