Oura Ring 4 - Silver - Size 10 - Sleep, Activity, Women’s Health, AI Advisor, Up to 8 Days of Battery Life, Size Before You Buy, Android & iOS Compatible

Operating System: iOS, Android
Brand: OURA
Color: Silver
Special Feature: Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight
Connectivity Technology: Bluetooth
Wireless Communication Standard: Bluetooth
Battery Cell Composition: Lithium Polymer
GPS: GPS Via Smartphone
Shape: Round
Model Name: Oura Ring 4

ACCURACY - SMART SENSING - Oura tracks over 50 health metrics, including sleep, activity, stress, heart health, and women’s health metrics. Oura Ring 4 is powered by Smart Sensing, which adapts to you — delivering accurate, continuous data, day and night
ACCURATE SIZING ESSENTIAL - Oura Ring 4 uses unique sizing different from standard jewelry rings; use the Oura Ring 4 Sizing Kit to find your perfect fit before purchasing
LONG LASTING BATTERY - With up to 8 days of battery life, no screens and no vibrations, Oura Ring 4 allows you to focus on the present. From a workout to a night out — you’re free to forget it’s on. Until you start getting compliments
OURA MEMBERSHIP - First month of membership is included with purchase, for new members only. Subscription is 5.99/mo afterwards. Membership is tied to your account via the Oura App, not your physical ring
HSA/FSA ELIGIBLE - We can accept HSA or FSA funds for the following: Oura Ring, additional chargers, and shipping
DESIGNED FOR 24/7 WEAR - The updated design of the Oura Ring 4 is more comfortable, fits better than ever, and is water resistant. The first all-titanium smart ring combines exceptional durability with a gentle touch, even for sensitive skin

Oura Ring 4 is fully titanium: one of the strongest metals on earth. Durable, lightweight, water resistant.

Oura Ring 4 delivers incredibly accurate data and personalized health insights to help you be at your best.

The Oura Ring 4 Sizing Kit is the best way to ensure an accurate experience. With a purchase of the sizing kit, you'll receive a $10 Amazon credit towards your Oura Ring 4.

Sleek and comfortable, Oura Ring seamlessly fits into your life from a workout to a night out.

Stay present without notifications on your wrist. Check the Oura App when you want to.

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 — 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.

Wake up to in-depth sleep analysis, so you can improve your habits and transform how you feel.

Whether you're running a marathon or running errands, Oura tracks your daily activity and workouts while helping you strike a balance between movement and recovery.

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.

See a nutritional breakdown of your meals and understand how what you eat impacts your holistic health. Integrate the Stelo Glucose Biosensor (sold separately) to track your glucose levels.

Purchase an Oura Ring 4 Sizing Kit and receive a $10 Amazon credit towards your Oura Ring 4.

Purchase your Oura Ring 4, the $10 credit will be automatically applied at checkout.

Slip on your Oura Ring 4 and download the Oura App.

New members get the first month of Oura Membership free, then it’s $5.99 per month.

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How long should my ring work between charges?

How do I choose the right Oura Ring size?

What's included?

How do I see my Oura Ring metrics?

Can I use more than one ring?

How long should my ring work between charges?

Oura Ring 4 typically lasts 5-8 days on a full charge, depending on usage. Contact Oura Member Care if you have questions or concerns with battery life, and they will ensure your problem is resolved

How do I choose the right Oura Ring size?

Using the Oura Ring 4 Sizing Kit, choose a finger for your ring. We recommend the index, middle or ring finger. Wear the sizer ring for 24 hours to ensure the fit is secure and comfortable over the course of your day.

What's included?

Oura Ring 4, Oura Ring 4 Charger, and USB-C Cable.

How do I see my Oura Ring metrics?

After activating your Oura Ring, you can choose a monthly or annual membership to unlock full access to Oura’s features, daily health and wellness metrics, and personalized guidance.

Can I use more than one ring?

Oura Members can now connect more than one Oura Ring 4 to their Oura App and quickly switch between them. Note, this feature only supports wearing and syncing data from one active Oura Ring at a time.