I purchased it because I can only wear vacuum headphones for up to an hour before my ears begin to push them out. My ears are sick of them. These are completely without issues. The headphones actually produce a vacuum-like sound (similar to the Galaxy Buds +, but with more powerful bass), without pressing against the ears (I've worn them for 5-8 hours daily for a month), and without completely cutting off the user from the outside world (ideally, you can still hear people, cars signaling, etc.). However, if you want to turn off the sound of nearby cars, bicycles, or the howling wind, there are other options available.
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