Add extra functionality to your laptop with the JCA374 Usb-c Multi-Adapter. This device allows you to add two additional Usb peripherals, a 4K or 1080p Hdmi display, and Gigabit Ethernet through your Usb-c port. With high-speed transmission up to 5 Gbps, data transfer is quick and easy. With Usb Power Delivery 3.0, it supports upstream streaming ensuing your connected laptop powered up while in use.