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Cheap 2.4G + Bluetooth Trackball Mouse Wireless Rechargeable Ergonomic Easy Thumb Control Tracking Mouse Gaming Computer | Joom
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Bluetooth Trackball Mouse, 2.4G USB Wireless Bluetooth Ergonomic Mouse, Rechargeable Ergo Mice with USB-C Port & 3 DPI, Easy Thumb Control, for Computer Laptop Tablet Mac Windows-Black - Newegg.com
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Wireless Trackball Mouse, Rechargeable Ergonomic Mouse, Easy Thumb Control, Precise & Smooth Tracking, 3 Device Connection (Bluetooth or USB), Compatible for PC, Laptop, iPad, Mac, Windows, Android: Amazon.co.uk: Computers & Accessories
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I reversed engineered the micro USB power/switch board in the MX Ergo trackball mouse and redesigned it with USB C instead :) : r/UsbCHardware
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