The sound is thanks to digital transmission super that reach good (but not excellent, with plenty of walls between sometimes The ergonomics on the other hand is just modest. The headphones can not be adjusted and pressed immediately clear after touchdown. The ear cups can be greater, but can be endured. When placed on the charger I need usually several attempts to switch the headphone position so that he invites tasächlich.
All in all, more of a disappointment, but maybe very useful for people with small heads.
I have returned here this and instead bought the RS 170, the price but plays in a different league.