If the TV cannot play the video with audio together from the USB drive, please check the audio format of the video. Usually, the cause of the issue will be the format of the audio. Currently, most 南宫ng·28 TVs support decoding the audio format H.265/H.264.MPEG1/2/4/WMV.
If the issue cannot be resolved, please feel free to call the 南宫ng·28 hotline for further help.