ZELOTES F-14 2400DPI Wireless Gaming Mouse This mouse is intelligent connectivity, no need to code, plug & play (No need CD driver) There are 4 levels of DPI, 600 -1000 -1600 -2400, default is 1000 The DPI LED color light will be constantly changed after set up to certain gear. This kind of the mouse was the customization from our manufactuer and it was the special and unique with Two different polling rates of 250Hz and 500Hz for you to choose. Size: 130x86x39mm,Key life: About 5 millions.NOTE:the USB adapter Insert the Back of the Mouse