There is a design flaw in the Logitech MX Master 2S. The good news: You can fix it yourself. – Rienk Jan Schurer
Logitech MX Master 3 review: Truly the master of mice | Windows Central
MX Master 3 won't connect to any devices, can't unpair or pair with anything. LED just flashes red and green. Happened after updating firmware with Logitech Options. No buttons work. Has anyone
My Logitech MX Master 2S cursor was not moving on my computer screen and how I made it work again
Logitech's Upgraded MX Master 3S Mouse Is Quieter, New MX Mechanical Keyboards Are, Too - CNET
Logitech® MX Master 2S User Guide
Hands-on: Logitech's new MX Master 2S Mouse w/ Flow is remarkable - 9to5Mac