3 ADJUSTABLE DPI:800,1200,1600 DPI, easily change the cursor sensitivity depending on your activity. The wireless mouse for laptop do not need any driver, plug and play directly,freedom-fast data transmission EFFICIENT WIRELESS TRANSMISSION:Powerful, reliable 2.4GHz optical mouse wireless connection with high anti-interference performance and 10M transmission distance. Computer mouse comes with a Nano receiver 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. MAXIMUM HAND-FEELING:The 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. UNIVERSAL COMPATIBILITY:Smooth, precise and affordable optical mouse with Nano receiver for laptop, desktop and netbook PCs. Mini wireless mouse well compatible with Windows XP, Windows, Windows Vista, Mac OS X, Windows 2000 Server