Oura Ring Gen 4 - Size 6

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 30 biometrics, including sleep, activity, stress, heart health, and women's health metrics. • 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. • 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.    Looking to upgrade to a gen5. This ring was ONLY worn for about a month, to track my sleep so I would put it on once I was in bed and it would be taken off prior to getting out of bed. Has no scratches or wear!!!