Genius Scorpion Spear Pro BUTTONS 8 RESOLUTION 800 – 1600 – 2000 – 3200 DPI IMAGE PROCESSING 1000 megapixels / second USB 1000 reports / second MAX ACCELERATION 32g COMPATIBILITY Windows 7/ 8/ 8.1/ 10 ,..Mac OS X 10.10 or higher COLOR Black RGB DURABILITY Buttons: 5 million clicks