About this item4-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 travelingPOWER 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.)PLUG & PLAY: With no external drivers or power required, designed for use with portable devices such as wired keyboards, USB flash drives, 2.5mm external disks, etc. Due to the power supply limit of the laptop, some high-power devices may not boot up, like 3.5mm external disk, printer, etc. Not designed for use with SuperDriveType-C PORTS: 1x Male - data transfer with the latest devices, such as MacBook - only for charging