Transforming nearly any TV into a smart TV is affordable and easy with a Roku streaming stick. These tiny devices plug into your TV's HDMI port to unlock access to a world of streaming services, live TV channels, and other apps that will never leave you without entertainment. While prices are rather comparable to its main competition, the Amazon Fire TV Stick , Roku's devices have a few interesting features you won't find on a Fire stick. Roku Ultra - HD/4K/HDR/Dolby Vision with Dolby Atmos | $31 off at Amazon The Roku Ultra is the fastest, most powerful Roku streaming device so far, and it's even compatible with Dolby Vision and Dolby Atmos for a more cinematic experience. It has a better wireless range than other models as well. Today's deal saves you over $30 off its regular price. $69 at Amazon Once you've plugged in your new Roku streaming device, you can download the Roku app and use it as a remote or even plug headphones into your phone and listen to