Oppo has launched the K9x Smart TV in China with 4K resolution. The K9x is a cheaper alternative to the recently released K9 Smart TV. The new gadget has many features, including eye-protecting blue-light reducing technology, an image optimization algorithm and Dolby Atmos.
https://www.notebookcheck.net/Oppo-launches-the-cheaper-K9x-Smart-TV-with-4K-resolution.614730.0.html