I took it for cycling rides - for this purpose it is an excellent form factor (there is no sound insulation - you will hear passing cars, signals, etc. and IMHO for sports it is generally better than "vacuum" ones. The sound is not perfect, but not nasty either - it works out its price (these are budget headphones). I took it mainly for podcasts and audiobooks - it’s perfect for this (and for a YouTuber too), for music - for an amateur (I definitely won’t use it as the main headphones for music). The quality of the music is enough for sports, because. without noise isolation, you can still hear the wind, and other noises (at not max. volume) Electronics in them sounds better than metal. The headphones do not "mumble", but a little gritty, the bass is not bad enough (soft, not loading).
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