Circular announced its Ring 3 Series featuring two models — Pro and Slim — with health-tracking features including FDA-cleared atrial fibrillation detection. Both models add vibrating alerts for alarms, medication reminders, and breathing exercises, plus integrated NFC chip support for contactless payments without needing a phone or wallet.
Background
Circular is a consumer health tech company known for its medical-grade smart rings, following earlier competitors like Oura Ring. The smart ring market has been expanding as wearable health monitoring devices gain mainstream adoption.
- Source
- The Verge
- Published
- Sep 4, 2026 at 12:00 AM
- Score
- 5.0 / 10