Circular announces Ring 3 Pro and Slim at IFA with contactless payments and haptic alerts

Circular unveiled the Ring 3 Pro and Ring 3 Slim at IFA, adding contactless payments and haptic alerts. The Pro includes an FDA-cleared ECG and atrial fibrillation detection, while the Slim lacks medical features. Both rings use titanium (Pro) or coated resin (Slim), offer 12-day and 10-day battery life respectively, and are available for preorder in the coming months.