<b>Plug and Play </b><br> No additional software or driver installation is needed. Wherever you go, just plug in the mouse and get started.<br><br><b>DPI On-the-Fly </b><br> Conveniently placed under the scroll wheel, you can swap between DPI resolutions (1000/1600/2400) for maximum control.The Green Light on Scroll will change the brightness as per your switch.<br><br><b>2.4 G wireless transmission technology </b><br>Enjoy the fast data transfer at the convenience of wireless technology. <br><br><b>100 millions clicks Life </b><br>Split design with100 million times longer using life.<br><br><b>Compatibility</b><br> Win xp,Win vista,Win7 32,Win7 64,Win8 32,Win8 64,MAC OS X . <br><br><b>Specification</b><br> 1.Mouse Size: 4.8" x 2.7" x 1.53", Net weight: 67g<br> 2.Number of Keys: 6keys<br> 3.Max Acceleration: 8G <br> 4.Polling Rate: 125Hz <br><br><b>Package </b><br>1 x wireless mouse<br>1 x USB receiver <br><br><b>Pay Attention:</b><br>We do not make user manuel for the mouse, because it is really very easy to use it: <br>1. Install a AA battery inside;<br>2. Take out the USB receiver from the bottom of the mouse, then plug into your computer;<br>3. Turn on the power key on the back of mouse, wait a moment for connecting with computer automatically, then you will be able to use it.<br>4.If you have any question, please do not hesitate to contact with us by Amazon at any time, thank you very much.