High-definition optical tracking (1 000 DPI): Enables responsive, smooth cursor control for precise tracking and easy text selection  
 This wired mouse is built by Logitech : The PC mouse experts. It comes with the quality and design we’ve built into more than a billion computer and laptop mice, more than any other manufacturer  
 COMPATIBLE WITH: Windows (7, 8, 10, 11 or later), macOS(10.5 or later), Chrome OS, Linux Kernel 2.6+ PACKAGE CONTENTS: Mouse and User documentation  
 Operating System: Windows 7