Xiaomi has confirmed the Mi TV Stick during an online event. Expected to run Android TV and support 4K HDR along with DTS-HD audio, the Mi TV Stick may cost upwards of US$100.
https://www.notebookcheck.net/Online-event-confirms-Xiaomi-Mi-TV-Stick-Android-TV-4K-HDR-and-DTS-HD-audio-expected.466867.0.html