This is an ascending private auction: Logitech MX Ergo Trackball has already finished

Logitech MX Ergo Wireless Trackball A new standard for comfort and precision. Logitech's most advanced trackball for loyal enthusiasts and users looking for alternatives to mice and touchpads. It requires 20% less muscle effort than a standard mouse. MX ERGO has a unique adjustable hinge for customised comfort, and the most advanced technology for tracking, scrolling and power management. Logitech FLOW? allows effortless control of multiple computers.