4-IN-1 USB HUB: Contains one Type-C, one USB 3.0 and two USB 2.0 ports, connected with an output Type-C port, providing high data transfer speed up to 5 Gbps; lightweight and appropriate size to carry in your laptop bag when traveling POWER DELIVERY: Charging your laptop up to 100W while transferring data and connecting multiple low-power peripherals. (This function applies to MacBook 12, the latest MacBook Air/Pro with thunderbolt 3/4 ports, Windows laptops and devices with USB-C PD function. Some devices may not be supported, see the product description for a list of supported devices.)