New RF 2.4GHz Portable Optical Wireless Mouse USB Receiver for PC 2.4GHz wireless transmission up to 10 meters operating distance. * Built-In mouse memory, no recording is needed after battery replacement. With 6 Keys, including Scroll Wheel, Page Forward and Page Backward buttons for easy Internet Surfing. * Intelligent connectivity, no need to code, plug-and play. Ergonomically designed, comfort grip. * Many dormant class control and more power-saving hibernation connectionless. * 800/1600dpi, cursor speed adjustable. With On/Off power switch. * Low power comsumption * Low voltage alarm function. * Micro-receiver. Decent and modern design. * High quality * Ideal laptop companion for home and office use.