Musiclily RJ45 Cat Cable Extension Cable USB 2.0 Extender Over RJ45 Cat5 Cat 5e Cat6 Cable Extension Cable Connector Adapter Kit Ideal for use with USB cameras, printers, web cams, keyboard/mouse extensions and any other USB devices Allows you to connect your USB devices to your computer at a distance of up to 150ft Self-powered so no external power source is required Base type a mmle rj45 female Package included: 2 x extension cable adapter