mp3 module,mp3 decorder module,mp3 player board Support external LED display 10 watts amplifer mp3 module, pcb playback voice, audio player, mp3 decorder module, printed circuit board assembly, music modules,mp3 player boardFeatures * Option 1, It Plays 10 mp3 files by connected buttons.* Option 2, it plays 30 mp3 files by connected buttons ( Matrix )* More options for customized functions ( ...