Oura Ring 4 smart ring announced for $349, releases Oct. 15
A user wearing an Oura Ring Courtesy: Oura Oura unveiled its new smart ring, the Oura Ring 4, on Thursday, which is available starting at $349. The company’s rings track sleep, exercise, stress, heart health and other metrics to help users understand their bodies and make healthier choices. The Oura Ring 4 has new sensors, … Read more