Logitech Unifying wireless technology: Q&A for the IT Manager or Business Manager
Amazon.com: New Logitech Unifying USB Receiver for keyboard K230 K250 K270 K320 K340 K350 K750 K800 : Electronics
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
Logitech Unifying receiver setup in Linux - eKiwi-Blog.de