Manufacturer Evoluent Description A PC and Mac compatible mouse available for both the right and left hand. The vertical position reduces wrist strain. Product information available at http://www.evoluent.com/vmouse2.html Price $57- $75. Vendor (Please contact to purchase) To order, visit http://store.thehumansolution.com/evoluent.html Information subject to change without notice. Please contact vendor to confirm price, availability, and other options before ordering.