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Review title: Amazon shipped opened products, light gave me headaches
Product review: I purchased this product hoping that it would help me with my up and down energy levels. When I received the product, the plastic bubble wrap the unit was in had been previously opened. As an earlier reviewer had said, when I plugged it in, the unit would make a high pitched noise which also occurred when the display light was on.I sent it back for a replacement and the second unit was also used before. The packaging was opened, battery already partially charged, and it too made a high pitched sound when plugged in. In desperation, I tried the unit a couple of times before returning for a replacement and the light ended up giving me headaches that lasted several hours. Instead of asking for a replacement, I asked for a refund. It had been used already, didn't work to improve my energy, and made my problems worse.
