Oura Ring 4 Smart Fitness Ring, All-Titanium, Silver, Size 6, Up to 8 Days Battery Life, Health Activity Tracker JZ90-54217-06 CONDITION:New Bilingual Tracks: Features songs in

Bilingual Tracks: Features songs in both Korean and English

Versatile Spray Patterns: Switch between wide spray and concentrated jet nozzles to handle delicate surfaces or stubborn grime efficiently

Inventory Tile System

Crafted with CertiPUR-US foam and OEKO-TEX Standard 100 fabrics

Air Cooling Method: Maintains optimal operating temperatures to enhance device reliability and longevity in various environments

Oura Ring 4 Smart Fitness Ring, All-Titanium, Silver, Size 6, Up to 8 Days Battery Life, Health Activity Tracker JZ90-54217-06 CONDITION:New Bilingual Tracks: Features songs inThe Oura Ring 4 represents the latest advancement in smart ring technology, crafted from lightweight and durable titanium for all day comfort and water resistance. Powered by Smart Sensing, it continuously monitors over 50 health metrics such as sleep stages, heart rate variability, stress levels, activity types, and womens health parameters including menstrual cycle tracking. Its adaptive sensing platform personalizes data collection to provide