คำอธิบาย Heart Rate

Warning:The measurement results are for reference only and cannot be used for professional medical purposes.If you feel any health problem, please ask a professional doctor in time.
This is an application for measuring heart rate by using optical principles to sense capillaries at the fingertips.
Because the heartbeat changes blood pressure and affects finger blood color.
But it is for reference only!
Not for medical use!
Note: This is not a medical device, please consult professional suggestion if needed.

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