Oura

Oura Ring smart health trackers combine wearable technology with comprehensive health monitoring in a comfortable ring design. The Oura Ring 4 features Smart Sensing technology for accurate sleep tracking, heart rate monitoring, activity tracking and stress monitoring across more than 50 health metrics. With up to 8 days of battery life, these smart rings provide continuous health insights including women's health cycle tracking, cardiovascular age monitoring and readiness scores. Available in multiple sizes from 4 to 15, Oura Ring wearables include a titanium interior for sensitive skin and integrate with iOS and Android devices through compatible health apps.