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4 DPI SWITCH AND CUSTOMIZED FUNCTION: no need any driver， plug and play. 4 adjustable DPI level ( 500， 1000， 1500， 2000) to change the speed of mouse freely.
ULTRA-FAST 2.4GHZ WIRELESS TECHNOLOGY: 2.4G Two-way Wireless Transmission Technology. More secure and precise， the transmission distance can reach to 10 meters (approx 30ft).
HIGH PERFORMANCE 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. Compatible Systems: Windows XP/Vista/Win7/Win8/Win10/ME/2000/Mac10.x， etc.
THE CLICK SOUND IS ALMOST NON-EXISTENT: 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.
Nano mini USB receiver: USB 2.0， also compatible with USB 1.1