Letsfit IW1 - Monitoring Heart Rate

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Function Introduction
Tracks your exercise
data in up to 14 sports
modes. Choose the
mode that you want to
start on the watch.
Tracks your
real-time heart rate
automatically and
continuously.
Measures your
blood oxygen level.
Guides your
breathing for a
relaxation.
Customize your
timer.
Check your daily
activities and
sleep data.
Use the stopwatch to
make your exercise
more standardized.
Set different types
of alarms in the
app to make the
watch vibrate to
remind you.
Control the music
playing of your
smartphone.
Some basic
settings and
information of
the watch.
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