EDIT: I bought two of these and the same thing happened to both. 3-5 months of use, then a speaker dies. Once I can trace it back to a defect, the same thing twice in a row is a bad product. Save your money, go somewhere else. Below is the original review after the first pair was lost due to this defect: The headphones mostly work as advertised. Mine lasted 5 months before losing the right tone, but that could be due to the abuse (washing dishes, stuffing in a backpack, falling, etc.). Sound quality and connection is generally clean, sometimes there are difficulties syncing with devices or gaps, but Bluetooth is quite finicky. Overall, $20 really can't be beat for Bluetooth headphones. Another note: no full noise cancellation. It can be good or bad, depending.
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