I have already purchased 1 year ago 3 months and I recently lost. I was satisfied with the product, he still walked no problem on my side. Nevertheless I had to buy a new one, so I return to my historical by fully trust the product. I found it and I order two headphones in case I again subsequently falls a listener. The arrival of the product packaging changes, I had a first doubt ,, but the audio quality to change too. I'm no audiophile or I would not have bought this product. But you can hear the difference in sound. That is why I am disappointed with the product. I'll return the two products ...