Noise cancellation solid in relation to price, battery great; faulty unit replaced by manufacturer

Everything about these was as advertised, I was really enjoying them until, just outside the end of the return period, the audio quality coming out of my buds became tinny and fuzzy out of the blue. Nothing I have done seems to be able to restore audio quality. Don't get me wrong, I'm not expecting audiophile quality here at this price, but they sound like AM radio right now out of every device I connect them to. Unless I have a faulty unit (very possible here I guess), I'd recommend spending your money on a competitor. [edit / manufacturer graciously reached out after seeing this review and sent a replacement. the new unit is as advertised: solid budget level noise canceling. :)]

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