OURA RING 4 SMART RING-SIZE 9,IOS ANDROID,CERAMIC MIDNIGHT MOBILITY Take creativity to the next

Take creativity to the next level with cutting-edge AI features

5 Portable SSD 520MB/s

with best-in-class performance-tuning of the Lenovo AI Engine+ and a dedicated MUX switch with NVIDIA® Advanced Optimus

1-year of Kids+

But it's also ready to work with displays and accessories you already own

OURA RING 4 SMART RING-SIZE 9,IOS ANDROID,CERAMIC MIDNIGHT MOBILITY Take creativity to the nextOura Ring 4 provides valuable insights into your holistic health sleep, activity, stress, heart health, cycle and more. Features an updated ceramic exterior design powered by Smart Sensing technology that dynamically adapts to your finger for continuous data accuracy.