Features:Intelligent connectivity, just plug the wireless receiver into your computer USB port, and no extra driver required.Adopts the top class of power saving chip, 5 times power saving than ordinary wireless mouse, standby time is over 12 months.There is a button at the bottom of the mouse, three options: ON, OFF, light. Put it at light, the LED backlight will light up.Adopt 2.4GHz wireless technology, provides a powerful, reliable connection, increase working distance of up to 15m.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).Adjustable DPI Function: 600/1000/1600/2400, default is 1000.Maximum Acceleration 20G, two different polling rates of 250Hz and 500Hz for you to choose.Excellent ergonomic design, long-term use without fatigue.