Logitech MX ERGO Advanced Wireless Trackball Mouse
Logitech MX ERGO Advanced Wireless Trackball Mouse
Logitech Unifying Receiver for Connecting Multiple Devices
PSA for Linux users: current Solaar supports detailed settings for Logitech mice/trackballs with Unifying receiver (tested M575, MX Ergo and MX Vertical) : r/Trackballs