VicTsing Professional LED Optical 2000 DPI Wireless Gaming Mouse Mice 5 DPI Switch and Customized Function: no need any driver, plug and play. 5 adjustable DPI level ( 800, 1200, 1600, 2000, 2400) to change the speed of mouse freely. Two side keys can be customized by software. 2.4G Two-way Wireless Transmission Technology. More secure and precise, the transmission distance can reach to 10 meters(approx 30ft). Quiet Button Design. Left and right buttons produce little noise when you click them. Perfect for public places such as offices, libraries, dormitories, internet Cafes where you do not want disturb others or interrupt your concentration. Advanced Energy-saving Chip. Multi-stage power saving mode, less power consumption. There is a button at the bottom of the mouse, three options: ON, OFF, ON/light. Put it at ON/light, the LED backlight will light up. The cursor performs stably. With strong adaptive surface ability, this wireless mouse works fine on many surfaces. Compatible Systems: Windows XP/Vista/Win7/Win8/Win10/ME/2000/Mac10.x, etc.