Oura's new Ceramic Ring 4 lineup challenges the aesthetic norms of wearable technology, wrapping its proven health-tracking sensors in vibrant zirconia ceramic finishes. Priced at a $150 premium over the standard titanium model, these rings prioritize style without sacrificing functionality, signaling a shift towards tech as luxury accessory. The launch coincides with new multi-ring support in the Oura app, allowing seamless switching between devices.