All in One USB-C Hub Massive ExpansionThe 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 Card Slot, 100W Type C PD charging port, and 50CM braided cable. You will get 24 months warranty. Super-Speed 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.