
Bought two, each fully charged and haven't had to charge since. The grinding degree setting works perfectly, click by click, as the gap distance of the ceramic grinding surface is adjusted. Changing the spices (pepper, sea salt, secret spice combo, etc.) is easy with the included extra bottle. (I need more of these.) My only issue would be a non-technical customer returning the product. When screwing the spice bottle onto the grinder, the bottle held in one hand connects to the part of the grinder held in the metal shell held by the other hand. This results in a large torque force between the metal case and the grinder inside. This force causes the metal shell to rotate slightly relative to the internal mechanism. The result is a biased USB charging port. A simple fix for me was to use a toothpick to immediately apply glue to a small space between the metal bowl and the black plastic of the coffee grinder mechanism next to the metal bowl. Other customers may not understand the problem/solution, get frustrated and return the product. So the manufacturer has to solve this problem. But I personally plan to buy 5-10 pieces to give as Christmas gifts in December!

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