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Thoughtfully crafted in high-performance zirconia ceramic, Oura Ring 4 Ceramic combines refined elegance with everyday durability. Each ceramic Oura Ring goes through a traditional firing process that strengthens the material and gives it a smooth, polished finish β built to last.
Oura tracks over 50 health metrics, including sleep, activity, stress, heart health, and womenβs health metrics. Oura Ring 4 is powered by Smart Sensing, which adapts to your unique finger and activity β delivering accurate, continuous data, day and night.
With 5 to 8 days* of battery life, no screens and no vibrations, Oura Ring 4 Ceramic allows you to focus on the present. From a workout to a night out β youβre free to forget itβs on. Until you start getting compliments.
The updated design is more comfortable, fits better than ever, and is water resistant.
Get the best sleep of your life, and then some. Wake up to in-depth sleep analysis, so you can improve your habits and transform how you feel. Oura provides insights into your sleep staging throughout the night, blood oxygen levels, HRV and nighttime heart rate.
Know when to push it and when to take it easy with the Oura Readiness Score. It takes into consideration over 50 different health metrics β including temperature, heart rate, HRV, and sleep β to tell you how ready you are for the day ahead.
Whether you're running a marathon or running errands, Oura tracks your daily activity, steps, calories burned and workouts while helping you strike a balance between movement and recovery.
From monitoring your daily heart rate and HRV to discovering your Cardiovascular Age and Cardio Capacity, Oura helps you take care of one of the key indicators of your overall health β your heart.
Your cycle impacts your mood, sleep, activity and more, every day. Oura helps you understand how your cycle affects your body, so you can make better, informed decisions about your holistic health. Predict your period and track the changes in your body throughout your cycle, even pregnancy.
Oura will help you identify signs of stress and understand how well your body handles it. You'll know when you need to incorporate more self-care practices and how to recover from long term stressors.
Learn how to fuel your wellbeing. See a nutritional breakdown of your meals, understand your meal timing and understand how what you eat impacts your holistic health.
Oura Advisor is an AI-powered health coach to help you understand your body and your biometrics. Use it as a sounding board to help guide you towards healthy habits, make nutritional decisions and answer questions you might have about your data.
Change Oura Ring 4 styles as easily as changing your outfit. If you have two or more Oura Ring 4 styles, you can now switch easily between different finishes in the Oura App.