I cant hear it when Im outside, but it drives me nuts inside. I dont remember exactly what the instructions said but were something like "First time installation will need slightly excessive pressure to install. Die Aussparung für die Ohren ist angenehm groß, sodass hier nichts drückt oder die Ohren gequetscht werden. It has eliminated the need for awkward lower body garments (with the large hole in the crotch that you have to pray to whatever entity you choose that you don?t completely wet yourself while using the bathroom) and comfortably compresses both my arms and abdomen. My second pair of this brand of shoe bought the version without a strap and a little less heel before but was so uncomfortable I thought this would be better. The headphones fit well. Leider ist die Größe bei diesen Schuhen falsch ausgezeichnet - die bestellte Größe 42/43 entspricht allenfalls Größe 41/42. These are useful and they do work for the purpose I got them, which is to keep my AirPods from popping out of my ears all the time. It?s all he wears now. The inner lining of the slipper (see pics) came off within 2 weeks of use.