Ott box refers to a high-definition terminal device for users to watch online video through connecting to the Internet. Compared with the traditional set-top box, the new generation of intelligent set-top box will be a multi-functional device that integrates the traditional broadcast content, realizes content delivery, game console, local media broadcasting and Internet application, promotes the interconnection between home terminals and people, completely changes the way of content acquisition, and allows users to enjoy the information and entertainment content from the Internet and traditional TV at any time. Our 4K image quality Ott box has passed Dolby certification, which can provide partners with an overall solution with better image quality and stronger performance.