Gempion Gaming Mouse Highest 5500 DPI, 500 Hz Gaming Mice with 7 LED Optical Button Side Control 5 Respiring USB Wired for Pro Game Notebook PC Laptop Computer High Precision: 500 Hz. Polling rate is the frequency a mouse can send back this data. A 500Hz polling rate means a mouse can send the data 500 times a second. High polling rate can possible to reduce the likelihood of your movements being misinterpreted. Rapid Moving: 5500 DPI (Dots Per Inch), fitting for most of pro game players. Adjustable DPI Switch: 1000 DPI / 1600 DPI / 2400 DPI (Blue Light)/ 3200 DPI / 5500 DPI. Accurate Respond: 6000 FPS (Frames Per Second), It will offer reliable connectivity with smooth and responsive tracking. 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. Track your every movement with unparalleled precision, speed and continuity via this Gen 2nd optical 500Hz, 6000 FPS, 5500 DPI 7 button USB wired no programmed Gaming Mouse.