When I read the description from my home site, it seemed that they went to the computer via USB, and to mobile devices through a USB-single plug 3.5 adapter. I would have liked this scheme more, and I would have overpaid for it. During the hour of use, the ears were partially sweaty. I think for this type of headphones it's normal. Therefore, it seems to me that they are suitable for temporary comfortable use, up to 1-1.5 hours, and not 3-4 hours in a row without taking off.
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