Microsoft-Optical-Mouse-200-for-Business-Black-White-Microsoft-35H-00004-P-This-optical-mouse-from-Microsoft-has-been-designed-so-you-can-navigate-with-better-speed-accuracy-&-reliability-making-it-the-perfect-mouse-for-all-your-business-needs-The-optical-sensor-allows-you-to-move-through-documents-quickly-without-having-to-use-the-on-screen-scroll-bar-You-can-also-use-the-mouse-either-left-or-right-handed-P-Microsoft-35H-00004-Optical-Mouse-200-For-Business-White