You have to maneuver the speaker into the ear canal before they will hold on perfectly and have a good sound, none of the wireless ones can compare with good overhead wired ears, at home I like to listen to music in these, but that' they are absolutely weightless in the ears, the noise canceler dampens voices and third-party noises such as wind well, but you can hear the intercom, if the music is playing loudly, this is understandable, they are wonderful, but it takes time to maneuver the