EveryLink > Smart Tech > Wearables > Pay for your coffee with your smart ring — Circular drops the Circular Ring 3 series, and it packs features missing from rivals like Oura and Samsung

Pay for your coffee with your smart ring — Circular drops the Circular Ring 3 series, and it packs features missing from rivals like Oura and Samsung

The series contains the Circular Ring 3 Pro and Circular Ring 3 Slim, with the Pro supporting ECG and Blood Pressure.

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