what is the best 4k hdr streaming device?
['TiVo. Stream 4K.', 'NVIDIA. SHIELD TV.', 'Roku. Streaming Stick+ Headphone Edition.', 'Roku. Express - 2019.', 'Roku. Ultra - 2019.', 'Amazon. Fire TV Cube (2nd Gen)', 'Roku. Ultra (2018)', 'Chromecast (3rd generation)']