LOGITECH MX ERGO MOUSE Logitech MX Ergo Wireless Trackball Mouse. FEATURES A New Standard of Comfort and Precision Logitech's most advanced trackball for trackball enthusiasts and consumers searching for alternatives to mice and touchpads. Delivers 20% less muscular strain compared to a regular mouse. MX ERGO features a unique adjustable hinge for personalized comfort and the latest tracking, scrolling and power management technology. Logitech FLOW™ enables effortless cross computer contro
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