Plug in U on digital loudspeakers, watch movies, some watch, some can not see, display format does not support
This kind of question only shows that the format of the movie you downloaded is different!! Digital amplifiers can't be completely incompatible!
Your USB content movie format conversion under general MP4 AVI should be able to see
You buy a megaphone, can only support MP3 format audio MP3/AAC/AMR/WMA/WAV/FLAC/OGG, but there are many, but the MP3 common format, when you see the movie download format, also as downloadable formats do not support, the general non intelligence only supports MPEG4/RM and many other formats do not support you. When you download, you must be optimistic about the extension