Wearing The Device And Heart Rate Tracking - Nuband FLASH HR 3 User Manual

4) Wearing the Device and Heart Rate Tracking

Wear the Nuband Flash HR3 on your wrist for heart rate
tracking.
NOTE: The heart rate sensor is located on the back of the device.
to monitor heart rate more accurately. Please wear the Nuband on
the upper position of your wrist and a bit tighter than usual when you
are doing execrise
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