Open never been used

The Oura Ring Gen 4 ceramic petal Size 8 is a versatile activity tracker made from titanium, providing accurate heart rate monitoring and sleep tracking capabilities. With a sleek gold design and a 2-year manufacturer warranty, this ring is suitable for both indoor and outdoor activities, making it ideal for gym training, swimming, and running. It features a wireless Bluetooth connection, solar-powered Battery Life of up to 7 days, and a variety of features such as calorie monitoring and setting goals for a personalised fitness experience. Made in Finland, this ring is lightweight at 4.5g and provides measurements in both decimal and imperial systems for a comprehensive fitness tracking solution.