Fitbit released its Charge 5 fitness tracker with a brand new design and a color screen in September, but it launched without two key software features: an electrocardiogram (ECG) app and Fitbit’s new Daily Readiness Score, which recommends how hard you should work out. More than a month after the Charge 5’s release, those features are now rolling out.
The ECG app takes a reading of your heart’s rhythm to assess for atrial fibrillation. To take the reading, open the app, put your fingers on the stainless steel panels on each side of the Charge 5, and wait for 30 seconds.
Image: Fitbit Each side of the Charge 5 has a stainless steel panel where you place your fingers during an ECG test.
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