I believe (could be wrong), that Apple was the first to have a mass-market wearable with a ECG feature. So you don’t even have do look that far to find a refuta

I believe (could be wrong), that Apple was the first to have a mass-market wearable with a ECG feature. So you don’t even have do look that far to find a refutation. I don’t know about how innovative these rumored sensors may to comparatively, though.