In addition, it supports AV1, an improved streaming codec that services will use in the future to offer improved image quality. It also has a private-listening mode on the remote, along with Ethernet, MicroSD, and USB connections to make it the most flexible Roku streamer available, but it’s overkill for most people. The 2020 Roku Ultra is the first Roku device to support Dolby Vision and offers improved Wi-Fi support.
