Quality difference

Im a little confused and irritated. I bought two of these and they are almost different products! One floats while the other sinks. One cant hold the 3 aaa batteries in the correct position so they slip off the terminals and the light turns off very quickly, the other one is fine. One is brighter than the other. When changing the color in one it turns off for a split second and turns back on wiith the new color, the other one changes color without shutting down. Buying this product is a gamble, you might get a good one or you might get a bad one.

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