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Amazon.com: ELECOM Trackball Mouse Wireless, Ergonomic Mouse, 3 Device Connection, Wired (USB), Bluetooth, Track Ball Mouse, Thumb Control, Compatible for PC, Mac, Windows, macOS, EX-G Pro(M-HT1DRBK) : Everything Else
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Logitech TrackMan Marble, Wired Trackball Mouse, 300 DPI Marble Optical Tracking, Ambidextrous, USB, PC / Mac / Laptop : Amazon.co.uk: Computers & Accessories
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ProtoArc Bluetooth Trackball Mouse Wireless RGB, EM01 2.4G Ergonomic Rechargeable Mice with 5 Adjustable DPI, Adjustable Angle, Thumb Control, Smooth Movement, for PC, iPad, Mac, Windows, Black: Amazon.co.uk: Computers & Accessories
Is anyone still making an old school computer mouse, with the ball instead of an optical sensor? - Quora
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