evoluent verticalmouse 4 - mouse - laser - 6 button s - wired - usb
the verticalmouse 4 right handed mouse by evoluent helps avoids forearm twisting for comfort and good health . the shape is thoughtfully sculpted for uncompromised comfort and easy-to-reach programmable buttons . no finger contortions are needed to operate the buttons . the thumb rest has been reshaped to provide even more comfort over earlier versions . now featuring two thumb buttons a new bottom thumb button provides greatly extended functionality when used with the included driver . an extra wide lip along the bottom edge prevents the last finger from rubbing the desk . pointer speed controls on the side allow convenient adjustment without even releasing your grip from the mouse . top mounted leds show through the chrome thumb rest to indicate selected pointer speed including extra low xl low lo md medium to high hi . basic functionality in os x or newer without a driver linux - basic functionality without a driver