Evoluent Vertical Mouse 3 The Evoluent VerticalMouse 3 is the third generation of the groundbreaking Evoluent VerticalMouse. The Evoluent VerticalMouse 3 has a patented shape that supports your hand in a fully upright handshake position that eliminates the forearm twisting required by ordinary mice.  The new design has been made to fit a range of hand sizes better than previous versions, and a small lip has been added to the bottom edge to prevent the little finger from rubbing the desk.  Another new added feature is the ability to set the resolution to 2600, 1800, 1300, or 800dpi using a button and indicator light on the underside of the mouse, making adjusting pointer speed easier and improving tracking.  $90.00

Evoluent Vertical Mouse 3 Wireless This wireless version of the Evoluent Vertical Mouse 3 is the third generation of the groundbreaking Evoluent Vertical Mouse. The Evoluent Vertical Mouse 3 has a patented shape that supports your hand in a fully upright handshake position that eliminates the forearm twisting required by ordinary mice.  The new design has been made to fit a range of hand sizes better than previous versions, and a small lip has been added to the bottom edge to prevent the little finger from rubbing the desk.  It uses a 2.4 GHz wireless frequency, it has a 30' range, and roughly a 3 month battery life.  Available in right-handed model only. $130.00