The idea of turning the micro When you raise is certainly innovative, the implementation not successful. Here I would have expected better quality from Sennheiser.
The microphone volume for VoIP phone calls via the PC must always be set to maximum available (incl. Active software Boost) to allow the interlocutor one ever understands when the microphone then again completely folds down (and thus is no longer in front of the mouth ) is no longer guaranteed the agreement.
Unit went back refund as always without problems on Amazon.