This 8-in-1 USB-C Dock features a Gigabit Ethernet, a type C PD charging port, a 4K HDMI port, 3 USB 3.0 Ports, a SD/TF card reader, a 3.5mm Audio. Allowing you to connect a keyboard, mouse, USB driver, external Disk to MacBook Pro. extend your screen with USB C adapter HDM port and directly stream max 4K UHD 3840×2160 at 30Hz, Full HD 1080P video to external HDTV, monitor or projector for a cinema-like visual feast. 3 USB 3. 0 ports supports super faster data transfer up to 5Gbps, which is 10x faster than USB 2. 0 and allows you to transfer HD movies or files in just seconds. SD & TF slots support data transfer speeds up to 480Mbps.