Bats! M3u is an extremely simple streaming media player. It does one thing: loads m3u files containing http and https URLs, and plays them. You can also have content: // or file: // URLs in the m3u files, and as of 1. 468 files relative to the m3u are supported! To use Bats! M3u, download an M3u file, then open it in your file manager of choice. When prompted, select Bats!