Oura Ring 4 Ceramic [Size1 4] (Midnight) TemporarilyUnavailable and internet radio with your

and internet radio with your amplified audio equipment

giving access to 6 additional thumb-controlled actions

It’s crunchy on the outside

- 10 hours at full volume

A 20% wider aperture vs M-Series lenses producing full frame picture clarity with no dark corners or vignetting

Oura Ring 4 Ceramic [Size1 4] (Midnight) TemporarilyUnavailable and internet radio with yourOura Ring 4 Ceramic is a modern expression of our revolutionary smart ring technology that blends refined elegance with everyday comfort. The high performance ceramic exterior is designed to keep up with you and all that you do. The Ceramic Collection is available in four unique colours: Midnight, Petal, Tide and Cloud. Each new colour is built to accent your style and personality. This colourful new take comes with the same cutting edge technology of