I use it for about a year, no disappointment.

Most:
-Sound quality worthy of the brand Sennheiser!
Low-present, very clear and sharp
Very-lege (130g)
headphone-opened, just someone to talk to enttendre side without putting too much
-Very comfortable
Good-look
Quite simply, good for all

The -:
-Maybe a little big to carry around! lol
"It is

I have tried many models before celuila, peut_être the Philips brand in general provides more bass but the highs are then more drafts

Q / P is simply unbeatable!

With experience, I would opt for a closed headphone and most of all from the same brand!