he JCA379 USB Type-C HDMI & USB 3.0 with Power Delivery provides extra connectivity from your computer with 5 Gbps transfer speed and supports 4k HDMI. These pocket-sized multi-adapters allow you to add an additional USB 3.0 HDMI monitor and USB Type-C charging. When connected with a power source, the USB Type-C port allows you to keep charging your notebook or smartphone. Compatible with MacBook, Chromebook, XPS 13/15, and other laptop and desktop computers with a USB Type-C port.