RAPOO 2.4G wireless transmission technology brings you a 10-meter working range wireless connection without any interference and enables you to enjoy the freedom and comfort of wirelessness. With Rapoo's latest energy-saving technology and power switch, you can use your mouse without power interruption for up to 9 months. So small and unobtrusive, you can plug it into a USB-port and forget about it. No more worries about lost receivers. Enjoy accurate and smooth cursor control with the 1000 DPI high-definition invisible tracking engine.