Disclaimer: Due to health regulations and clearances, some ScanWatch features may not be available or may not have clinical validation in your region. Learn more.

ScanWatch can detect irregular heartbeats throughout the day and night, using a PPG (photoplethysmography) sensor that emits green light and measures its reflections on the blood vessels in the wrist. When the blood flows, the reflection of light changes. Learn more.

An exclusive algorithm analyzes the signal. If an irregular rhythm is detected, you will receive a notification.

You can see your irregular heartbeat data on your Withings App on the Home screen.

Note: You cannot receive irregular heart rhythm episodes notifications if you haven’t enabled them beforehand. To activate them, please go to the Devices tab of your Withings App in the upper right, find your ScanWatch > Health Features > Signs of AFib and toggle Monitor signs of Afib on.