I bought a pack of these and quickly found that, apart from the possible durability, they are close in quality to Garmin's OEMs. In fact, I prefer wearing Ancool Garmin for the looks and comfort. I wear 1 bracelet for a month (24 hours most days) with no problems other than minor wear to the trim on the inside of my wrist. I am concerned about durability and only time will tell. The price is killer and you can buy a bunch for the price of 1 Garmin but I'm not sure I trust them in situations where I think I might lose my watch although there are no signs of it yet that she will fail.
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