Lack durability

Really love these earbuds. However, the first pair only last for about 30 days before the left bud unit would no longer maintain high sound quality. Amazon replaced the units without any hassle, and the new units arrived working beautifully. However, the second left ear bud unit also failed after about 60 days, and I have just initiated my second return. Sound quality of these earbuds is very good. I would recommend them, but the quality and durability seems to be lacking.

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