Oura Ring 4 Black - Size 11

Brand new, in the box. Never paired. Only tried on then put back in the box. Purchased as a gift for my husband - I ordered his ring finger size but it was too small for his index finger. Introducing Oura Ring 4, the latest evolution of the revolutionary smart ring. Oura Ring 4 brings you closer to what matters most - your health. The updated all-titanium design is powered by Smart Sensing, a new sensing platform that doesn't just measure your biometrics, it adapts to you, providing insights into over 50 health metrics including sleep, readiness, activity, heart health, metabolic health and women's health. Oura Ring quietly and comfortably monitors your health and with up to 8 days battery life, you can even forget it's on. • DESIGNED FOR 24/7 WEAR- Oura Ring 4's updated design is more comfortable, fits better than ever, and is water resistant. The first all-titanium smart ring combines exceptional durability with a gentle touch, even for sensitive skin. • ACCURACY WITH SMART SENSING - Oura Ring 4 is powered by Smart Sensing, which adapts to your unique finger and activity - delivering accurate, continuous data, day and night. • HOLISTIC HEALTH TRACKING - Oura provides over 50 health metrics, including sleep, activity, stress, heart health, and women's health metrics. • LONG LASTING BATTERY - With up to 8 days of battery life, no screens and no vibrations, Oura Ring 4 allows you to focus on the present. • SYNC WITH YOUR FAVORITE APPS - Compatible with iOS and Android.