Anker Ergonomic Optical USB Wired Vertical Mouse

Anker Anker offers diverse consumer tech solutions including batteries, adapters, networking devices, and more. Features: The Anker vertical ergonomic optical mouse is designed to reduce forearm twisting and the resulting repetitive stress and pain. The vertical "handshake" position encourages a neutral wrist and arm alignment for greater comfort and better health. No finger contortions are needed to operate the easy-to-reach buttons. The thumb rest has been reshaped to provide even more comfort over earlier versions, and the addition of two thumb buttons provide greatly extended functionality. Compatibility: Windows 8 / 7 / Vista / XP / 2000 Linux Mac OS X(The two thumb buttons are not recognised on the Mac OS X.) You may not get used to the product at the beginning, due to its innovative design. Please keep using the product for a few days, and you will enjoy its company.