Xiaomi Redmi Smart-Armband Pro M2101B1 Benutzerhandbuch Seite 6

Wearing the Band
For daily use, comfortably tighten the band around your wrist about one-finger width away
from your wrist bone. Adjust the strap to ensure the heart rate sensor can collect data
normally.
Note: Wearing the band too loosely may impact the data collection by the heart rate sensor.
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