I must say right away that the experience of use is 3 days, I usually write reviews after a while, but here, in my opinion, everything is clear right away. The pedometer lies at times. In the photo you can see the difference in readings with MiBand2, both bracelets were on the arm all day. Terms of use - a sedentary day at home + playing with the baby on the carpet (transferring toys, reading books, etc.). I noticed that in about 10 minutes of sitting with the child on the carpet (without going anywhere), the bracelet counted ~ 50 steps (probably, it counts hand movements when you reach for a toy, etc.) as steps. Everything would be fine, but Xiaomi MiBand2 didn’t count anything superfluous next to it, which means it can be better . In the attached photo, my comparison result for the day. Measurement of SPo2, as it seemed to me, is best done on the back of the wrist. If the hand is not thin and the vessels are not close to the surface, this may be the only option (because the bracelet tries to illuminate the skin and vessels with LEDs). Even on my rather thin hand, this does not always work. The pulse measures in comparison with MiBand2 with a difference of + -3 beats / min. Almost the same. If it weren't for the kosyachny pedometer, everything is more or less good.
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