E-3lue Mazer EMS626 USB Optical Wired Professional Gaming Mouse (White) Blue pulsating lights and Cool LED scroll wheel,Ultra-strong and durable,and the click times up to 8million that only the high-end mouse own Comfortable palm feeling:Perfectly designed to fit snugly under your palm,to give gamer the most comfortable gaming experience ever,especially during the most testing of battles. Ajustable DPI Function: 500/1250/1750/2500,and the bottom has unique two gears highest 500HZ rate of return adjustment,You can move it at either fast or low speeds,and it will always respond onscreen with exacting accuracy. Buttons:6 buttons;Avago gaming Chipset;Polling rate:250/500Hz Compatible with Windows XP/ Vista/ 7/ 8/ 10/Mac OS and other OS,plug & play