The UGREEN Revodok 7-in-1 USB-C Hub is a versatile accessory designed to expand the connectivity of your devices. It features a 4K HDMI port for high-resolution video output, a USB-C port with 100W Power Delivery for charging, two USB-A 5Gbps ports for data transfer, and SD/TF card readers for convenient media access. This dongle is compatible with MacBook Pro/Air and other USB-C enabled laptops, providing a comprehensive solution for your connectivity needs.