I'm utterly disappointed with the quality of these earphones from Shure. I went through two pairs of these earphones and both pairs were faulty, the left earbud wouldn't charge and was completely dead. I managed to find a third pair from a different store, and they worked for only one day, and then all of a sudden the left earbud went completely dead while I was listening to music. Took the third faulty pair back and I chose a different brand of earphones, 'cos I lost complete confidence in the Shure brand. How is this possible that three pairs of Shure earphones were faulty? Who is responsible for the quality control of these earphones? Are...view more