This usb ctrade to hdmireg adapter lets you output hdmi video and audio from a usb type ctrade device such as a usb c equipped macbook with support for ultra hd 4k at 60 hz this adapter works with usb c devices that pass a displayport video signal and it39s also compatible with thunderbolttrade 3 ports ultra hd 4k resolution at 60 hz the adapter lets you harness the video capabilities that are built into your usb type c connection to deliver the astonishing quality of uhd to your 4k 60