As a result, I regretted a little that I switched from 4 bands, despite the fact that super important functions were not delivered in particular. Sleep measures almost exactly the same, experimental functions do not count, that's why they are experimental. Yes, there is stress, which I measured for 2 weeks, realized that everything was ok and forgot about this function. The same goes for oxygenation. In the bottom line, on a daily basis, I use a bracelet that irritates, but did not irritate before. So it goes. Personally, I myself am now thinking in the direction of something perhaps a little more expensive, but not so crazy.
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