The audio cable is doing what it should. However, it must be said that the heads of the plug for my needs are a bit too thick. I have a Samsung Galaxy Note with a thin protective cover on it but this has to be used also has a generous opening for headphone cable to this cable, I regret to remove the foil. For a daily drive of 15 minutes it does not then still worthwhile to put on the CD player my phone. But they work and also make a stable impression. When I have a long drive they make me any problems and I can gleefully enjoy my music from your phone.