I bought them as a gift, and with the permission of the donee I tested them a little - I was satisfied with the sound. Excellent bass for such little ones, excellent sound isolation, ultra-sensitive microphone (when you talk on the phone through it, the feeling is that you can hear sounds around you that you would not have heard with your own ears). They sit deep and tight in the ears, although extraction from the ears, due to this, requires some skill. And yet, after some time of continuous use, I began to experience some discomfort in my ears. Perhaps this can be corrected by replacing the ear pads of a different size from those included in the kit. And yet, for this money, I would like a little more quality factor, a little better cable, packaging, and generally a little more attention to detail. Although, against the background of sound quality, this is probably just nit-picking.
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