Waterproof Protection: Designed with a sealed housing that prevents liquids and moisture from entering making it perfect for medical, industrial, workshop and office environments with reliable protection Smooth Scrolling: Built-in magnetic scroll wheel with 4 internal magnets delivers ultra smooth navigation experience fully protected against liquid interference with dependable scrolling performance in magnetic scroll wheel mouse and sealed design scroll functionality Precise Tracking: Features 1000 DPI enhanced optical sensor for smooth and accurate tracking on various surfaces including glass wood and marble making it a perfect optical sensor mouse 1000 DPI and high definition tracking USB mouse Ergonomic Build: Right-handed ergonomic design with 4-button layout, compact and lightweight; supports long hours of comfortable use Broad Compatibility: Compatible with Windows 10 Windows 7 and Mac OS X 10.6 and above with easy plug and play USB connection perfect for laptop desktop