About this item 6 in 1 USB C Hub Mive Expansion The intelligent USBC dongle adapter has perfectly combined all the features you need. USB-C to HDMI hub equipped with 4K@30 HDMI, USB3.0 x1, USB2.0 x1, SD/TF Slot, and 55W Type C Power Delivery charging port 4K UHD Video Output Transfer pictures and video data from laptops and mobile phones to a larger screen. You can work more efficiently and enjoy sports events, movies, gaming on a larger screen. Get clear smooth pictures with 4k (3840 x 2160) @30Hz resolution(supports HDR). A stable signal transmission guarantees an even and clear picture quality Super-Speed Date Transfer & Read Compatible with USB-C power delivery to provide high speed charging to your laptop at up to 55W. This usbc macbook pro adapter enable you to connect hard drive, flash drive, printer, Projector, mouse and more USB devices to your MacBook Pro and transfer data at up to 5Gbp/s. 55W Powerful P-through Charging Compatible with USB-C Power Delivery to provide high-speed p-through charging to your laptop at up to 55W. Portable Sleek Size Adapter The aluminum alloy case features a compact and lightweight design, allowing you to expand the capabilities of your laptop on the go. There is a velvet pouch to protect this Bighthree adapter when traveling.