Massive expansion: Get more out of your MacBook's USB C port with 100Mbps RJ45 Ethernet,4k/2K 60Hz HDMI, SD connectivity, USB A / USB C data port, and high-speed pass-through charging with Power Delivery High-speed, high-definition: The USB-C and USB-A data ports provide file transfer speeds up to 5Gbps, while the HDMI port supports media display resolutions up to 4K/2K@60Hz Powerful pass-through charging: Compatible with USB-C Power Delivery, it provides high-speed pass-through charging for your laptop with up to 60W of power Travel size SD/TF USB C adapter: Aluminum casting and pocket size, 5Gbps read and write, capacity up to 2TB . USB C to RJ45 ethernet port ensures a stable and faster wired internet connection which is up to 100Mbps What you get: 8-in-1 USB-C PD media hub, User Guide, 18-month worry-free warranty, and friendly customer service