I love to fill this with water in the evening and leave it in the freezer, haven't had any problems with the water freezing solid. It just comes out amazingly nice and cold.:) I love it!
Item is a great watch. I wear it to work, I wash my hands a lot (being in the medical field) and don't have to worry about getting the watch wet. Haven't noticed any of the supposed health benefits, or improvements in balance, etc. But overall I have been happy with the product.
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