All in One USBC Hub Massive ExpansionThe intelligent USBC dongle adapter has perfectly combined all the features you need. USBC to HDMI hub equipped with 4K30 HDMI USB3.0 x1 USB2.0 x1 SD/TF Card Slot 55W Type C PD charging port and 50CM braided cable. You will get 24 months warranty.SuperSpeed USB 3.0 Transfer This usbc macbook pro adapter enable you to connect smartphones tablets hard drive flash drive printer Projector and more USB devices to your MacBook Pro and transfer data at up to 5Gbp/s.4K UHD Video OutputTransfer 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 x 30Hz resolutionsupports HDR. A stable signal transmission guarantees an even and clear picture quality.Laptop Standsfriendly AdapterThe aluminum alloy case features a compact and lightweight design our usbc dongle adapter with 50cm braided cable gives you more space and convenience for expanding your laptops connectivity. There is a velvet pouch to protect this B3 BIGTHREE adapter when traveling.55W Powerful Passthrough Charging Compatible with USBC Power Delivery to provide highspeed passthrough charging to your laptop at up to 55W.