If I received the article quickly enough, as I have a doubt about its authenticity and the fact that it is a real product Apple (there was also not the apple logo on the small box, unlike headphones purchased but unfortunately lost, although there previously wrote Apple on the wire). The left earpiece is stronger than the right. And there, less than a month after it had, it produces an unbearable frying my interlocutors when I call. What is very unfortunate for the "hands free" function of the thing ...