Download the square dance video file or audio file to the computer, and then copy and paste it into the memory card or u disk, or you can first insert the memory card into the card reader, plug it into the computer, and download it directly into it. However, the cell phone memory card generally supports playing video files in mp4 format and audio files in mp3 or wma format;
If you can't play it, you need to convert the file format once, the video format: mp4 or 3pg, and the audio is generally in mp3 format.