Must be powered on to use: This Gigabit Ethernet splitter supports two devices working simultaneously and includes a 1-meter USB charging cable (5V1A power adapter recommended for stability). Gigabit Transmission Speed: RJ45 Ethernet splitter adapters offer speeds up to 1000 Mbps on two output cables, allowing simultaneous internet access for two devices without signal interference. (Note: Two computers can only share 1000 Mbps). Fast and Easy to Use: Simply connect an internet-providing network cable and plug in the two output ports to access the internet simultaneously. Plug and play, no configuration needed. Signal transmission between ports is isolated. Requires USB Type-C power cable (5V1A). Powerful Compatibility: Works with Cat5/5e/6/7/8 Ethernet cables and is compatible with ADSL, laptops, switches, hubs, set-top boxes, TVs, routers, computers, and more. Superior Craftsmanship and Quality Materials: Features a thick, eco-friendly PCB circuit board and standard RJ45 8-pin connectors for stable signal transmission. Built-in isolation module design enhances convenience and safety.