Have no complaints.  Produces quality sound.  Has different equalizer modes which helps.  No problems with Bluetooth connect.  Answers phone without problems and other party seems to hear me fine. Kinda wish the earphone chords and buds were not white while unit is black.  but.....  Seems to have longer distance from phone than the LG's I own.  Not as comfortable as the LG's but I have not worn them around my neck for an extended period of time.