Product:	Microsoft OEM Wheel Mouse Optical
Category:	Mice
Packaging:	Bulk
Condition:	New
Warranty:	3 Year
Price:	$15.50 [BUY]
Links:	Microsoft's Web Site Microsoft's Spec Sheet
Description:	IntelliEye Optical Technology - doesn't use a mouse ball! PS/2 connector (also includes USB adapter) Ergonomic design Three buttons with wheel * This is an OEM product that can only be purchased when buying additional non-Microsoft hardware due to Microsoft's licensing requirements.