2.4G USB 2.0 Folding Wireless Optical Mouse for PC Laptop-Red 2.4GHz wireless transmission up to 10 meters operating distance. Built-In mouse memory, no recording is needed after battery replacement. Intelligent connectivity, no need to code, plug-and play. Ergonomically designed, comfort grip. Many dormant class control and more power-saving hibernation connectionless. Low power consumption, Low voltage alarm function, Micro-receiver, Decent and modern design, High quality Ideal laptop companion for home and office use.