Logitech's new MX Master 4 mouse is designed for enhanced productivity with features like a customizable Actions Ring for app-specific shortcuts, reducing repetitive movements and saving time. It offers precise, quiet tactile feedback, an 8,000 DPI sensor for accurate tracking on various surfaces, and USB-C connectivity for seamless pairing across up to three devices. The mouse boasts a long battery life, providing up to 70 days on a full charge, with a quick charge feature offering three hours of use from just one minute.