These are the seconds I bought since I went great with the first ones, definitely among the best shopping I 've ever done. They listen very well and when I see videos, movies, etc. Goes audio with video 5/5
Headphones are excellent, sound at altitude, but you need to adjust the equalizer on your phone!! Walked about a month to the murmansk region. Headphones worked 1,5 months and one died. Do not advise taking!!!!