An M3U file is essentially a text-based playlist that identifies various sports channels—such as Eurosport, beIN SPORTS, and Arena Sport—and provides the links necessary to stream them.
: These playlists often categorize streams by genre, such as "Extreme Sports" or "General Sports," allowing users to organize their viewing experience. How to Use Sport M3U Playlists Free Iptv Links M3u Playlists - sciphilconf.berkeley.edu
: The term stands for "Multimedia Playlist" or "MP3 URL".