glaesses with MP3 and bluetooth support many andio formats Accessaries:Earphones,USB Cable, ... press button for 8seconds.(there prompt tones in the earphone). MP3 Mode Operation:1. Insert the earphone Mode2. Plue the Mini ... USB cableAccessaries:Earphones,USB Cable,Spectacle pouch,Manual. This glasses mp3 player are very useful,shopping,travel,walk,rest,work and so ...