It is displaying its age somewhat with its center on USB-A instead of spare USB-C ports. The one USB-C port on provide is for passthrough charging of one's laptop. When your Mac goes to rest whilst a video clip is playing or paused, You might even see an HDCP error. https://martinpkeaq.jiliblog.com/83989573/the-fact-about-usb-c-digital-av-adapter-that-no-one-is-suggesting