Less expensive and align the body for comfortable walking. You may still run into some sound quality issues in a loud noisy room, this isnt perfect (although no mic 100% cancels out all noises). On a vraiment une sensation dimmersion. They didn?t open on their own, but it would?ve just made me feel more secure. Update: l added a star for customer service. You get what you pay for, but it does function well considering the price. In all, the only major gripe I have is the volume thing. I would say the noise it generates is about 12% of the volume of my speaking voice. The bass is quite solid. It pairs really easily with my phone.