ElementDigital(TM) Car Truck ModelStyle Wireless Mouse Durable 2.4GHz USB Wireless Optical Mouse mice For PC Laptop-Grey 2.4GHz digital wireless transmission, operation distance is up to 10 meters. Built-in mouse memory, no recoding is needed after battery replacement. Auto model design, the service life of two AAA alkaline battery is up to six months. Intelligent connectivity, no need to code, no need driver, plug and play. Many dormant class control and more power-saving hibernation connectionless.