Yes, we are talking about the long-rumored electrocardiogram (ECG) functionality. By building medical-grade electrodes on the new ceramic-sapphire back of the Series 4, Apple managed to produce the first retail ECG wearable you can grab from a store near you. It's pretty amazing that Apple managed to get this thing approved ...


원문출처 : https://www.phonearena.com/news/Apple-Watch-Series-4-is-the-first-FDA-approved-retail-ECG-device-bless-its-heart_id108768