JBL Reflect Fit Quick Start Manual page 11

Re ect Fit
Quick Start Guide
Guide de démarrage rapide
d) For accurate heart rate reading, please keep your head still during the
calibration phase (may take more than 5 seconds).
Calibrating...
heart rate
detected
e) Tap the heart rate button on the right side of the neckband control for
an instant audible heart rate BPM reading.
>5s
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