This listing includes 2 Oura rings gen4. Size 8 and size 11 both in silver color.

Brand new sealed, never used. 100% authentic guaranteed.

Durable titanium smart ring that tracks heart rate, HRV, SpO₂, respiration, movement, and skin temperature using multi-LED and accelerometer sensors. Battery lasts up to 8 days, charges quickly, and connects via Bluetooth Low Energy with app updates. It’s water-resistant to 100 m, safe for swimming and sauna.

Free shipping! Serial number will be recorded before shipping!

Important Note: It is strongly advised that you obtain your size using the Oura sizing kit prior to placing an order, as the sizes are not comparable to traditional rings or the last year gen3. No returns will be accepted due do wrong size.