These earphones are equipped with a filter circuit powered by the audio signal itself. This limits average sound levels to a maximum of 85 decibels without attenuating soft sounds or audibly distorting louder sounds.
Product: EP-100 Earphones
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Most public health bodies dealing with covid have long since moved on from the idea of surface transmission. China’s didn’t—and that helps it control the narrative about the disease’s origins and danger.
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Perovskites are promising, but real-world conditions have held them back.
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When a cryptocurrency’s value is theoretical, what happens if people quit believing?
Anti-aging drugs are being tested as a way to treat covid
Drugs that rejuvenate our immune systems and make us biologically younger could help protect us from the disease’s worst effects.
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