Reviewed on September 21, 2009The Anywhere Mouse MX bears Logitech's multiconnective Unifying receiver and glass-tracking Darkfield laser, but $80 is too much for a portable mouse--especially when the Microsoft Wireless Mobile Mouse 4000 costs half the price for almost the same features.TAGS:Logitech, transceiver, mouse, laser, receiver, battery, button, keyboard, USB, Microsoft Corp., Microsoft Windows