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LOGITECH Trackman Marble Trackball - Optical - Cable - Red, Silver - USB - 2 Button(s) - Symmetrical
![Amazon.com: Logitech Trackman Marble Mouse, Four-Button, Programmable, Dark Gray (Renewed) : Electronics Amazon.com: Logitech Trackman Marble Mouse, Four-Button, Programmable, Dark Gray (Renewed) : Electronics](https://m.media-amazon.com/images/I/61ZeCMvB7pL.jpg)
Amazon.com: Logitech Trackman Marble Mouse, Four-Button, Programmable, Dark Gray (Renewed) : Electronics
![Still using this old Logitech Trackman Marble FX. I never found a more comfortable new trackball to replace it with. : r/Trackballs Still using this old Logitech Trackman Marble FX. I never found a more comfortable new trackball to replace it with. : r/Trackballs](https://preview.redd.it/cmuj75pp6gj61.jpg?auto=webp&s=43fa249cf5f12089ce11e8d38f99c64de05eccb2)
Still using this old Logitech Trackman Marble FX. I never found a more comfortable new trackball to replace it with. : r/Trackballs
![Amazon.com: Logitech Trackman Marble Trackball – Wired USB Ergonomic Mouse for Computers, with 4 Programmable Buttons, Dark Gray : Electronics Amazon.com: Logitech Trackman Marble Trackball – Wired USB Ergonomic Mouse for Computers, with 4 Programmable Buttons, Dark Gray : Electronics](https://m.media-amazon.com/images/I/71KuXY0QCTL.jpg)