570-11039 Dell WM311 Black Wireless Notebook Mouse (Kit), 3 buttons, compact size and precise 1000dpi optical tracking, Power on/off with battery indicator light, USB mini receiver, plug and play.
Award winning wireless mouse - Dell WM311 - YouTube
Dell's New Compact Wireless Mouse is Only $30 | HotHardware
570-11039 Dell WM311 Black Wireless Notebook Mouse (Kit), 3 buttons, compact size and precise 1000dpi optical tracking, Power on/off with battery indicator light, USB mini receiver, plug and play.