How to use RE.DOCTOR PPG Vitals Scan to check your vitals?
To use the RE.DOCTOR PPG Vitals Scan to check your vitals: Download the RE.DOCTOR app on your smartphone. Open the app and select the “PPG Vitals Scan” feature. Place your finger over the smartphone’s camera lens and hold it steady. The app will use photoplethysmography (PPG) technology to measure your heart rate, blood oxygen level