Oura Ring Sizing Kit – Version 4, White & Silver Rings (Box Opened, Unused)

Official Oura Ring Gen 4 sizing kit, designed to help you find your perfect fit before purchasing your smart ring. Includes a full set of white and silver plastic sample rings (sizes 6–15) in their original packaging. • Condition: Open box, unused • Includes: Complete ring sizing set + instruction insert • Model: Sizing Kit for Oura Ring 4 • Made for: Oura Ring Generation 4 • Brand: Oura / Amazon • Note: Ring itself not included — this is the sizing kit only. Perfect if you’re purchasing a new Oura ring and want the most accurate fit before ordering. #OuraRing #OuraRing4 #OuraSizingKit #SmartRing #WellnessTech #SleepTracker #FitnessRing #OuraAccessory #HealthTech #BioTracking #AmazonTech #WearableTech #OpenBox #TechEssentials