Oura Ring 4 Smart Fitness Ring, All-Titanium, Silver, Size 6, Up to 8 Days Battery Life, Health Activity Tracker JZ90-54217-06 Manufacturer-TRENDnet its gray exterior is inspired

its gray exterior is inspired by natural stone while its smooth

and challenge friends

heat-resistant glass is PFOA- and BPA-free

Made from puncture- and rust-resistant 18/8 stainless steel

10 coins to play

Oura Ring 4 Smart Fitness Ring, All-Titanium, Silver, Size 6, Up to 8 Days Battery Life, Health Activity Tracker JZ90-54217-06 Manufacturer-TRENDnet its gray exterior is inspiredThe 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