After making waves at CES 2025, Circular is officially opening pre-orders for the Circular Ring 2, the brand's most advanced smart ring yet. This latest iteration brings a host of new features ...

The Circular Ring Gen 2, which was announced on Jan. 5 just ahead of CES 2025, is one of few smart rings that can detect atrial fibrillation. It's a feature that's become common in smartwatches ...