Easy to install. Stable performance, durable and reliable Reasonable USB interface layout, can support four USB high-speed devices simultaneously USB 3.0, 10x faster than USB 2.0, up to 5Gbps transfer rate. Compatible with USB 2.0 and 1.1 specifications Support overload voltage and inter-current protection function, can protect the connected equipment and HUB itself effectively when suddenly energized. Ergonomic slant interface design, humanized technology considerations.