Oura Ring Gen 4 Ceramic Smart Ring in Tide Blue - Size 5

Oura Ring Gen 4 ceramic smart ring. Tracks sleep, activity, and readiness. Sleek ceramic exterior with polished silver inner band. Includes charging dock, USB-C cable, and ceramic polishing cloth. Worn a couple months - like new! Oura Ring 4 Ceramic is built for 24/7 comfort with 5-8 days of battery life. Smart Sensing technology adapts to your finger to deliver highly accurate, continuous data. All Oura Ring 4 styles provide valuable insights into your holistic health – sleep, activity, stress, women’s health, and more.