Ethernet Splitter 1 to 4，This ethernet splitter splits a single cable into four outputs, allowing four computers to share a single Ethernet line at the same time, eliminating the hassle of constantly changing cables and allowing for a seamless networking experience. Powered by the included USB cable, it helps you expand your network ports, so whether you have limited Ethernet ports on your router or switch, this internet splitter provides a convenient solution. Note: Power must be supplied during use.