1. 3A refers to 3A high definition. It means that TV signals are processed with digital technology from "reception" and "processing" to the final "phenomenon", and the signals processed by each technology have reached A-level standards, and only those that achieve comprehensive A in these three aspects level high-definition, the TV effect can achieve the effect of digital TV.
2. Streaming media: It is a technology that can connect and display various media at will. To put it simply, it plays the contents of U disk, MP3, or other storage media through the USB interface or card slot. The patent number of Haier streaming media is: 200410088678.6