The 8-in-1 type C adapters allow you to connect USB drivers and external disks to MacBook Pro and other USB-C port equipped devices. Supports 1000 Mbps Gigabit RJ45 ethernet port and is backward compatible with 100Mbps/10Mbps RJ45 LAN. The HDMI port support 4K UHD 3840×2160@30Hz. Has 1 ethernet RJ-45 port of 100 Mbps, a USB 3. 0 port, 2 Type C PD ports, SD & TF card reader. The USB 3.0 port can be connected to high data devices and USB 2.0 to mouse, keyboard, etc. Charge your Mac with the USB-C female port by using the PD mode charger.