Why I write this review, simply because I have this Earphone 3 to Bose had to submit because he does not work sometimes. The weak point is the remote control, clearly who is driving intense sports and sweating like I will with this headphone in the long run not happy. I had these as already erwähn 3 times Sent namely 2 times due to defective volume control and once because of a malfunctioning microphone. The headset is now 1 1/2 years old and still has warranty. Let's see how long he keeps this time. For this price I actually expect a different quality. One advantage has these headphones the sound is super ....