The default heart rate ranges are calculated by estimating the maximum heart
rate. The watch calculates the maximum heart rate by the common formula of
subtracting your age from 220.
Less than 50% of the maximum heart rate
[50%, 60%) of the maximum heart rate
[60%, 70%) of the maximum heart rate
[70%, 80%) of the maximum heart rate
[80%, 90%) of the maximum heart rate
More than 90% of the maximum heart rate
Watch status alerts
Incoming call alert
The watch vibrates when it receives an incoming call message. On the Alert
screen, you can tap Hang up or Ignore, or press the physical button to stop
the watch from vibrating. Before you use the incoming call alert feature,
enable it in the Zepp app.
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