LAG-FREE WIRELESS CONNECTION: Enjoy full freedom with a wireless connection from up to 10 meters away, without desktop clutter. A lag-free connection means virtually no delay during gaming<br />HIGH-QUALITY PRECISION: Don’t compromise on quality with work or gaming. Precision tracking, line-by-line scrolling and simple navigation mean you can say goodbye to annoying missed clicks<br />BUILT TO LAST: Designed by the number one world leader in mice and keyboards, the M190 is an everyday laptop and PC computer mouse you can depend on. It’s durable, reliable, and built to last<br />LONG-LASTING BATTERY: Enjoy up to 18 months of worry-free usage thanks to a long-lasting battery, and a mouse that kicks into power saving mode automatically when not in use. AA Battery is included ">