Against my Amazon Prime membership, the fee of which is sufficient to last for three weeks. In general, I did not take these for myself because this metric was the primary determining factor in my decision. However, they are a favorite of my wife.
Various advantages:
Colorful UI, customisable, NFC
The bracelet does not have any paint on it, and it does not become dirty (at least, nothing has changed on it in the past month, in contrast to other bracelets that go black in just two weeks).
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