ZELOTES Professional LED Optical 2400 DPI 7 Button USB 2.4G Wireless Gaming Mouse Mice for Gamer (Black) This mouse adopts the top class of power saving chip, 5 times power saving than ordinary wireless mouse, standby time is over 12 months Adopt 2.4GHz wireless technology,to ensure smooth operation and let you enjoy wireless gaming,High precision and sleek cool design,Fashion cyborg Style,Ultra-precise Scroll wheel. Ajustable DPI Function: 600/1000/1600/2400,you can change Mouse speed easily;Maximum Acceleration 20G;Polling rate: 250Hz/500Hz 7 different key has different function,makes it easier to operate during the game.(Left/Right/Mid/Forward/Backward/DPI Loop/Fire Key (Equals double click) /polling rate button/Light Switch Button) Intelligent connectivity, no need to code, plug & play (No need CD driver,USB adapter insert the back of the mouse),Compatible system:Windows 98/ 2000/ ME/ NT / XP/ win 7/ win 8/ win 10/ Mac OS and other OS