Circular announces Ring 3 Pro and Slim at IFA with contactless payments and haptic alerts
THE SO WHAT
Circular’s Ring 3 line adding contactless payments, haptics, and FDA‑cleared ECG turns wearables into regulated payment‑plus‑health endpoints. Anyone building health or fintech flows needs to treat rings and sensors as first‑class clients—with medical compliance and PSD2‑style constraints baked into design from day one.
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