1. RJ45 eight-core standard jack. The adapter splits the original embedded Ethernet cable (8 pins) into two groups. Use the USB power supply cable and support two computers to share one Ethernet line simultaneously. 2. RJ45 Ethernet splitter can divide a network cable into two outputs, the speed of each cable group (1 and 2) can only reach 100Mbps.And the signal transmission of two cable groups will not interfere with each other.The total input supports up to 1000Mbps. 3. RJ45 ethernet splitter can as extension connector that does not affect internet speed. Feel free to enjoy your internet surfing.Meets Cat 5 / Cat 5e / Cat 6 / Cat 7 performance requirement. 4. This RJ45 socket splitter adopts environmental PVC and built-in thick PCB motherboard is durable. Ensure signal transmission security.Metal Shield: Shielding disturb of electromagnetic, to prevent loss or damage the network signals. 5. USB adapter with 1.2 meters USB power supply cable. Dimension : 4.5cm x 3.5cm x 2cm.