Letsfit EW4 - Function List

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Function List
Tracks your exercise
data in up to 14 sports
modes. Choose the
mode that you want to
start on the watch.
Records your daily
training data.
Use the stopwatch
to make your
exercise more
standardized.
Tracks your
real-time heart rate
automatically and
continuously.
Customize your
timer.
Guides your
breathing for a
relaxation.
Check your daily
sleep data.
Set alarms to have
the watch vibrates
to wake you up,
take pills, and
more.
Measure your blood
oxygen level.
Monitors your daily
stress and generates
a stress score based
on your heart rate
variability.
Control the music
playing of your
smartphone.
Some basic settings
and information of
the watch.
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