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After occasional use over a month one of the chargers is making a loud buzzing noise when plugged in and charging a device.
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The charger caused extremely bad signal noise between the two devices
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One of them makes a loud high pitch noise
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These things make noise when I plug my phone into them to charge, really unsettling...
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When I plugged these into the wall they made these God awful screeching noises
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Buzzing noises for any electronics that you plug into an outlet is always a big concern, so I have to give 3 stars since a third of these had this issue
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When opening, one started making a hissing noise, even when unplugged.
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I just received this and also hear a loud screeching noise
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Two out of three have a loud high-pitched noise that is quite annoying
