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Shozy Black Hole 1DD HiFi In-ear Earphone — HiFiGo
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I bought JBL headphones and found out they have these holes on both sides. What are they for? They're empty and kinda deep, the headphones aren't wireless so I guess it's not
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Why Apple's EarPods Headphones Have Extra Holes in Them
Sony's new headphones have giant holes to let sound in | TechCrunch
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Sony's new headphones have giant holes to let sound in | TechCrunch
