In this task, you're given reviews from Amazon's products. Your task is to generate the Summary of the review.

Q: Display changes by it self. App is limited. Watch strap comfortable but the keeper does not hold the end of the watch strap in place. It does not like being in the water changes displays as you swim. Very bright when you're sleeping.Very bright when you're sleeping.

A: Has too many bugs to be on the Market I can't recommend this product
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Q: Very difficult to clean it, my other grinder which was much cheaper had removable parts to clean them.I am very disappointed

A: Very difficult to clean it, my other grinder which ...
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Q: This is a single headband only, not two headbands, also the price on the package UPC from the manufacturer is $5 less than the price of this item.

A:
single headband, poor quality. price on package $9.99
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