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 K400+ - no Fn switch-开源项目-CSDN问答
Solaar GUI Usage | Solaar
openSUSE Software
Connect Multiple Wireless Devices to One USB Receiver using Solaar | PM Student Helpdesk
hardware - Is Logitech's Unifying receiver supported? - Ask Ubuntu
How do I install and configure the latest version of `solaar` to manage my Logitech wireless mouse or keyboard on Linux Ubuntu? - Ask Ubuntu
Logitech unifying receiver monitoring – Imablog
Mouse Customization - System76 Support
Solaar: Logitech Device Manager for Linux | Linuxedo
Pair Logitech Unifying Receiver Devices In Linux With Solaar ~ Web Upd8: Ubuntu / Linux blog