??3 ADJUSTABLE DPI? 800,1200,1600 DPI, easily change the cursor sensitivity depending on your activity. Computer mouse comes with a Nano receiver (stored in the back of the wireless mouse with magnetic force). No need any driver, and you can plug and play the wireless mouse for laptop directly. ??Efficient Wireless Transmission? Powerful, reliable 2.4GHz wireless mouse connection with high anti-interference performance with 50ft/15M transmission distance. A Mini USB receiver (stored in the battery slot) supports plug and play. ??Longer lifespan?Laptop mouse passed 5,000,000 times keystroke test to guarantee extra durability. Switch button on the back of this cordless mouse to save power. And it will enter sleep mode after 15 minutes of no-operation. Press any button to wake it up. Note: powered by 1*AA battery (not included). ??MAXIMUM HAND-FEELING? Slim wireless mouse shape, sweat-resistant and skin-friendly finish are for maximum comfort and support. The thoughtful ring and little finger rest provide extra comfort. The sturdy scroll wheel with rubber makes sure that your hand will not slip when scrolling. ??Strong compatibility?Smooth, precise and affordable mobile optical mouse with Nano receiver for laptop, desktop and netbook PCs. Mouse wireless well compatible with Windows XP, Windows, Windows Vista, Mac OS X, Windows 2000 Server.