Its devices offer screen mirroring capabilities and plenty ... Roku only has a few standalone devices that offer Dolby Vision: Roku Streaming Stick 4K, Roku Streaming Stick 4K+, and Roku Ultra.
Just a note, though: while the Streaming Stick 4K+ is technically discontinued form Roku, you can still find ... movies and shows to stream, along with screen mirroring via AirPlay 2 or Miracast.
Available now at Roku ... Stick 4K players. Between its new processor and faster Wi-Fi, the revamped Ultra stands a better chance of delivering stutter-free 4K video, not to mention snappier on ...