Great but cheaply made!!

I have ordered 6 boxes of these. They are great! BUT... At least 4 quit working. I have a set I got October 3rd, and Friday, less than three weeks later, one is OUT!!!! I have thrown out the box. So frustrating! I am updating. Today is Tuesday. Now 4 of 8 are out! Don't buy these. You are wasting your money!!!

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