This mouse is intelligent connectivity, no need to code, plug & play DPI:1000/1600/2400/3200/7200,Polling Rate:500Hz, DPI and Polling Rate settings are closely related to the game performance, high polling rate can possible to reduce the likelihood of your movements being misinterpreted. Ergonomic design, internally and externally, to create the ultimate game concept, long-term use without fatigue. The hot key design: the first button of the left is the free double-click button, and the second, the third button are forward key and back key; more convenient to scan the web-page and files. Compatible system: Windows XP/ win 7/ win 8/ win 10/ Mac OS and other OS