With the recent launch of the MX Master 3S mouse, Logitech expands its Master Series lineup of keyboards and computer mice. The 3S is a wireless mouse with a focus on blending precision, workflow, and a premium feel underneath an ergonomic shape. It features ultra-quiet clicks, an 8K DPI precision optical sensor, the MagSpeed Electromagnetic scroll-wheel, two programmable thumb buttons, and a thumb wheel for horizontal scrolling.
Source: Logitech MX Master 3S Wireless Mouse review