Easily add 4 ports to your PC, laptops and tablets, eliminating the trouble of switching among devices. Syncing and charging your USB devices simultaneously. Enjoy data transfer rates of up to 10Gbps and spend less time syncing (actual rate will depend on the capability of your device), backward compatible with USB 3.0 / 2.0 / 1.1. Bus-power support (Built-in 30cm USB 3.1 cable), no extra power supply. Individual port over-current protection to keep your devices safe. LED indicator light for working status. Plug and play, no need to install driver. Click here to know more about USB-C: The Must-Have Field Guide to USB-C.pdf