What software can be used to play square dance videos on the theater?

Hello, the theater player is the same as the previous MP4. It has a memory card. You can download it to the memory card. You can download it on your computer and then use a card reader to copy it to the memory card. .

You can download it on your mobile phone and then play it on your mobile phone. If you are worried that the sound is not loud enough, you can use an external amplifier (speaker).