The USB Extender ICRON USB 1.1 Rover 2850 is an extender designed to extend the reach of a USB connection. It includes both ends Rex & Lex connectors, making it compatible with the Rover 2850 model. With a connector B of Ethernet (RJ-45) female and connector A of USB, this product allows for easy connection and extension of USB devices, providing flexibility and convenience for various computing needs.