Fitbit replacing some Sense smartwatches over ECG sensor issue

Fitbit is reportedly offering replacements for its Sense smartwatch after it discovered some issues with the ECG sensors.

Users on the Fitbit forums have reported receiving emails from the company, notifying them of a “hardware issue” with their device.

Tech news website The Verge reported that the problem affects the ECG app on less than 900 devices, hindering its ability to assess heart rhythms for atrial fibrillation.