Overviews: UVC is a pretty nice technology in live broadcast, which means you do not need a video capture card to pull stream.

UVC: USB Video Class

Note:

•      UVC only support 1080P video output now
•      Please set the video format to 1080P on OBS when you add the video capture device.
•      It needs a USB-A to USB-C cable when connecting

Please check the picture below to get how to use the UVC function.

Then you can enter the OBS to get a video stream.