This product is either discontinued or we cannot get that from suppliers.
Hp H4B81AA, Wired - USB, Right and left-handed, Laser, Buttons-3, 1000 dpi, Scrolling wheel, USB cable - 1.83 m, O/S Microsoft Windows 7, Microsoft Windows Vista.
The HP 3-button USB Laser Mouse H4B81AA is designed for everyday performance and to complement your HP Business Notebook. The laser tracking technology delivers variable speed precision on a variety of surfaces.