Circular Ring 2 Adds Blood Pressure Measurement in About 60 Seconds

The Circular Ring 2 smart ring can now estimate systolic and diastolic blood pressure from ECG and PPG signals in about 60 seconds. It requires cuff calibration and recalibration every 30 days; the feature is free in the Circular app and is meant for trend tracking, not diagnosis.

• Blood pressure measurement takes about 60 seconds
• Requires cuff calibration and repeat every 30 days
• Feature is free, with no subscription, in the Circular app
• Not medical diagnosis, only trend tracking