AFUNTA Zelotes Wireless Gaming Mouse Mice with 7 Button Adjustable DPI 600/1000/1600/2400 LED for Gamer Mac PC Computer This mouse is intelligent connectivity, no need to code, plug & play (No need CD driver). No Marco Function. (no programmed button).Size: 130x86x39mm,Key life: About 5 millions There are 4 levels of DPI, 600 -1000 -1600 -2400, default is 1000. Two different polling rates of 250Hz and 500Hz for you to choose. 7 different key has different function,makes it easier to operate during the game.