Logitech ERGO M575 Wireless Trackball Mouse – Easy thumb control, precision and smooth tracking, ergonomic comfort…

Amazon.com Price: $49.48 (as of 04/10/2023 22:36 PST- Details)

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Ergonomic comfort design, relaxed hand and arm: The comfortable, sculpted ergonomic shape naturally fits your hand.
Smooth thumb control, precise tracking: Great cursor control on any surface. Adjust the cursor speed with Logitech Options software.