Took to measure heart rate and sleep characteristics. But in a calm state, + - 5-10 hits come out, and while running, for example, in general, numbers from the ceiling, then 150, then immediately 48 hits. Those. you can measure the pulse only in a calm state, and this can be measured without this piece of iron.
Steps are also measured so-so. In a dream, it seems, he does not count, but he can count something while sitting, for example. Yes, and while walking, too, it can lie more than it reallySee full review