1、4‑IN‑1 USB HUB: Contains two USB0 and one for HDMI ports, and is connected to a LAN port, providing high‑speed data transfer speeds of up to 5 Gbp/s; lightweight and suitable in size, you can carry your notebook when you travel laptop bag. 2、When transferring data and connecting multiple small power peripherals, the laptop can be charged to 60W. (This feature is available for OS X 12, for OS X Air/Pro, for Windows laptops and devices with Type-C PD function. Some devices may not be supported, and there is a supported list in the product description. ) 3、No need for external drivers or power supply, it can be used with portable devices, such as wired keyboards, USB flash drives, 5mm external disks, etc. (Due to the power limitation of the laptop, some high‑power devices may not start, such as 5mm external disks, printers, etc.). 4、Simple appearance, made of high quality ABS material, durable and long lasting. 5、Multiple interfaces to meet your needs. High‑speed data transmission and power supply. 1 x Expansion Dock Condition: 100% Brand New Item Type: Type-C to for HDMI 4 in 1 ConverterMaterial: ABSColor: As Pictures Shown Weight: Approx. 71g/ 2.5ozInterface: LAN + for HDMI + 2xUSBNetwork Card: support 100 Mbps for EthernetUSB: USB 3.1 InterfaceVideo: for HDMI supports 4K resolution