Sensor: Optical DPI: 800-1600-2400-3200-6400-12800 Buttons: 9 Switch rating: 8 million clicks (left and right buttons), 3 million clicks (fire button) Polling rate: 1000Hz Working voltage: 5V Working current: 120mA Backlight: RGB Braided cable: 1.6 m Weight: 90g Size: 126*67*41mm OS support: Windows XP or newer