glaesses with MP3 and bluetooth support many andio formats Accessaries:Earphones,USB ... the sunglasses,you can start to do the pairing and it should be done in 3 minutes,the ... button for 8seconds.(there prompt tones in the earphone). MP3 Mode Operation:1. Insert the earphone Mode2. Plue ... Spectacle pouch,Manual. This glasses mp3 player are very useful,shopping,travel,walk,rest,work and so on.You can use ...