First day of use.
What I like is the comfort when wearing these headphones. The sound quality is fairly correct refund; somewhat accentuated in the low (I'd say around the 100hrz). I did not hear the treble accentus (unlike the tests effectus on some websites). With rserves because I just did reevoir!
These are my first-ear! it's thundering and provide advice for all those who love listening to music on the move (beware because the noise is strongly Reduces outdoors!! be careful in the street ... etc. For jogging has to be super!

Impeccable quality price (39euro on a website selling online) as I've seen in a magazine 50euro.

I think not having made a bad purchase. At this price the it should not Hoping for studio quality sound!