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. Specifications: Material: ABS Color: Black Type: Wireless Resolution: 600DPI, 1000DPI, 1600DPI, 2400DPI Button: 7 buttons Polling rate: 250/ 500Hz Key life: 5 million times Data transmission: 1Mbps Distance: 30m Voltage: 3V Max acceleration: 20G Tracking system: Optical Package size: 14.5*10*5cm/5.7*3.9*1.9inch Package weight: 135g/4.7oz Note: Item color may show sight aberration due to different shooting light and monitor display. Package List: 1* Wireless Gaming Mouse 1*Receiver 1*User Manual