This headset is in my bad!
I bought three months ago and I no longer used: it is difficult conus trs!
Indeed, there is a big snag in terms of comfort, the indoor headphone so much in such as plastic Manir barely cushioned by a foam of some vague millimtres you press your ear, and do not rely on the collection's outdoor foam for this empcher phnomne it sag in no time!
it's a default that I had unfortunately not finding in the store trying, so be prvenus!