Generally negative shows it the headset of this is very hard. Especially the foam on your head hurts after prolonged wear. If this were the only problem, one could overlook that. However, it turned quickly in my copy a cable break a. When opening the Plastikumschalung the manufacturers showed only a razor-thin copper wire was installed, no extra insulation. After a short anschmeißen of soldering the micro was working again, the same error appeared soon and the headset wandered into the garbage. Wonderful example of a predetermined breaking point.
The speech and sound quality was up to the total loss for the price ok.