Adesso iMouse(tm) M6-TAA - Optical mouse is full sized with scrolling features make navigating your computer a breeze. No more cleaning of your mouse ball and no more need for a mouse pad. Our mouse works on many different kind of surfaces like wood and plastic. It is a TAA-compatible replacement for lost or damaged mice purchased by federal government agencies, the military, and other organizations and vendors requiring products manufactured under the provisions of the U. S. Trade Agreements Act. The TAA-Compliant iMouse M6-TAA is designed as a replacement pointing device for inclusion in GSA, DOD and other federal government procurement contracts. More from the Manufacturer