Oura health & fitness tracking ring

Unopened Oura ring Includes charger, cable and instruction book. Brushed Silver Oura Size 9: US: 9 (same) UK/AU: R ½ – S EU: 59 – 60 mm Inside diameter: ≈ 19.0 mm Inside circumference: ≈ 59.7 mm ✅ Tip: Oura’s sizing tends to feel slightly snugger than standard jewellery because it’s made of titanium and has internal sensors. Most people find that if they’re between sizes in normal rings, they should choose the larger Oura size. https://ouraring.com/store/rings/oura-ring-4/brushed-silver