Darkfield Laser Tracking works on more surfaces than other mice-even on glass Unifying receiver stays in your computer- plug it in, forget it, even add compatible wireless devices without multiple USB receivers Flexible recharging system for easy charging through your computer or a power outlet, even when you’re using your mouse. Time to Full Charge: 4.5 hours Hyper-fast scrolling lets you fly through long documents and web pages. Supported OS-Windows Vista, Windows 7, Windows 8, Windows 10, Mac OS X 10.5 or later, Chrome OS Sculpted right-handed shape with stealth thumb controls for rapid-fire web browsing, application switching, zooming and more
