Since the introduction of USB C. products have started using just one or two USB C ports and adapters are needed.Our USB C 7-in-1 adapter allows you to connect multiple ports to a USB C port on your computer. This is an ideal portable solution for adding ports that your computer does not have.This adapter allows you to connect one HDMI port with a resolution of 4k@60Hz. two USB 3.0 ports (5gbps. one port charges at 7.5w). an SD/Micro SD card reader. a USB C port for power delivery 3.0 (100w. this port cannot be used for data) and a gigabit ethernet port.The power delivery port allows you to connect your power adapter to the port and passes power through to your laptop and charge it.