Hello everyone, I wanted to comment on this because I hesitated two weeks before buying, ultimately for very little. First of I specified that I bought used. I would never have spent almost 200 euros in this is clear, but it is personal. That's interesting stuff. already the sound is good, it's not bw or bose, but it's mastery, it's going well with the hiphop rnb, slightly sharp on the rock, perfect for instrumental music or film type in my case when I run The special music genre sigur ros or Bjork. it lacks a bit of heat but nothing serious is not the niche product. all is well built, resistant, it's been a week since I run with AC seems to be good, to do with the time but anyway no headphones today resists sweat, sweat c is not just water, but also toxins and salt. Now the big lose in beats ,, frankly guys you are amazing. on the different tests I've seen whose num and even beats the user manual says that Android, the music control does not work to advance and go back. it was my big black dot, ca soule having to remove the phone to change music. actually not at all, does it work like any other earphone (I have a compact xperia z1 with cyanogen android 4.4.4), Two click to go to the next three to go back. So it's just the best headphones for sports, the head circumference is adjustable and once find the good tips for my ears, earphone really move more. I think I will invest in anyway foam tips later. I tested the jaybird bluebudsx, and it has nothing to see, the Jaybirds graves on heavy crowds. and certain movements of my yoga sessions, none. for running here is perfect, to yoga, I still listen to touch, but the ear hook allows for a just push them in the ears go back, unlike Jaybirds I had back in full (I m expresses poorly dsl) and even downright tombs of both the weight of the headset. If you have something to invest and want something a sporty, well they are for you, they are people just not as good as others at the moment, and I try not bad for 2 years