Zelotes Wireless Gaming Mouse F14, 9 Buttons DPI 600/1000/1600/2400 LED Optical USB 2.4GHz Wireless PC Mouse58 Total 4 levels DPI, 600/1000/1600/2400, default is 1000 Two different polling rates of 250Hz and 500Hz for you to choose This mouse is intelligent connectivity, no need to code, plug & play (No need CD driver) Size: 130x86x39mm,Key life: About 5 millions Workable USB port,IBM or compatible computer:Windows: 2000/ ME/ XP(x64)/ Vita/ 7/ 8 Mac OS X (More than V10.4)