Adesso iMouse T40 Wireless Programmable Ergonomic Trackball

Control your system while preventing wrist and arm pain with the ergonomic design of the Adesso iMouse T40 Wireless Programmable Ergonomic Trackball. Ideal for left- and right-handed users who spend most of their day at their computer, the iMouse T40 sports a unique design incorporating a trackball controller that prevents strain and fatigue for a natural feel.