Oura Ring - Gen3 - Horizon - Rose Gold - Size 11 (this is oura sizing, so not the same as a regular ring; Oura ring sizer sold separately) The finger provides the most accurate reading of over 20 biometrics that impact your overall wellbeing. Oura Ring fully charges within 80 minutes and has up to 7 days of battery life. Oura Ring is made of titanium: built to last, lighter than the average wedding band, non-allergenic, and water resistant Research-grade sensors accurately measure key health metrics like heart rate, temperature, and more — from day to night Charging cord and original box included Purchased in May 2024, used for only 2 months