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Oura on notice? Circular Ring 3 series unveiled, with blood pressure monitoring and contactless payment
The Circular Ring 3 is back with blood pressure and ECG features to rival your smartwatch
The Circular Ring 2 is a decent, subscription-free Oura alternative, but it misses out on what made Circular rings truly unique
Your Circular Ring just got a big health tracking update - for free
Circular Ring 2 will add ECG readings and 8-day battery life — at a cost
