Product Name: High Performance Optical Wired Gaming Mouse Model NO.: 259 Application Type: Competitive Game Style: Computer Number of Buttons: 8 Direction of Roller: Touch Wheel Ergonomics: Right Hand Size of Mouse: Standard DPI: 1000 Positioning Principle: Optical Connection Type: Wired Compatibility: Laptop Features: LED Light Trademark: Freeshare Transport Package: Gift Box Origin: Shenzhen Product Description Compatible system: Windows 98/ 2000/ ME/ NT / XP/ win 7/ win 8/ win 10/ Mac OS and other OSAdjusting DPI: 6-speed adjustment,1000/1600/2400/3200/5500/9200 DPI,1000 DPI red light flash 3 times,1600 orange,2400 green,3200 light blue,5500 blue,9200 purpleFire key:short press to double click, long press more than 2 seconds to switch triple click,light flashes 3 times represents successfully switchedLight Mode Switch:short press to switch 7-color cycle breathing+6 single color breathing+6 single color constant light. A total of 13 kinds of light mode ,long press more than 2 seconds to turn off the lightsQuick thumb function: fast forward or backward when browsing the web,forward of backward at the same folder window