Download the video file or audio file of the square dance to the computer, and then copy and paste it into the memory card or USB flash drive. You can also insert the memory card into a card reader or download it directly from a computer. However, mobile phone memory cards generally support playing video files in mp4 format and audio files in mp3 or wma format.
If it cannot be played, you need to change the file format once. The video format is mp4 or 3pg, and the audio format is generally mp3.