SF Cable, USB 2.0 Networking Transfer Cable USB 2.0 Host Link provides an USB-based networking solution for two or more USB hosts of PC/Notebook USB 2.0 Host Link is a low power solution with built-in two USB 2.0 transceiver/controllers with embedded ping-pong for optimized output No external power and low power consumption. Easy Plug & Play onstallation Connect two or more computers together as a network up to 480 Mbps via USB 2.0 ports Lifetime Warranty