Logitech Trackman Marble Mouse

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Logitech Trackman Marble angle-view
“Logitech Trackman Marble Mouse” 1500×1500 amazon

The “Logitech Trackman Marble Mouse” is probably the best trackball on the market now, under $30. The ball is not the largest, but largish, and it spins well. It got 4 buttons. Got excellent reviews, and pretty cheap. Missing a scroll wheel would probably be the only flaw.

From a physical operative mechanism point of view, the concept of trackball pretty much includes the functionality of scroll wheel. Holding one of the button, then the ball functions as a scroll wheel.

“Kensington Orbit with Scroll Wheel vs Logitech Trackman Marble”

Logitech Trackman Marble Ball Size and Replacement

Logitech Trackman Marble replacement ball

The ball diameter is 40 mm.

For replacement, you can buy at amazon

Logitech Trackman Marble side-view
“Logitech Trackman Marble Mouse” amazon
Logitech Trackman Marble south-view
“Logitech Trackman Marble Mouse” amazon
Logitech Trackman Marble top-view
“Logitech Trackman Marble Mouse” amazon

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