![pop_hero_background_alt](https://ourahealth.imgix.net/blue-sky/pop/pop_hero_bg_d.png?ixlib=js-3.8.0&auto=format&fit=max&fm=png&exp=-7&q=70&w=3840&s=bcdf875807cbc1a2d495220122b16a7f)
A really smart ring
A small but powerful piece of technology. Oura translates what your body is telling you to paint a holistic picture of your health.
Award-winning design and craftsmanship
![A Horizon silver Oura ring floats diagonally showing its illuminated sensors](https://ourahealth.imgix.net/blue-sky/pop/pop_highlights_ring_trimmed.png?ixlib=js-3.8.0&auto=format&fit=max&fm=png&q=70&w=1200&s=dc580deb3b146aff9d86009024f39224)
Explore Oura ring
Pinpoint Accuracy
Your finger provides the most accurate reading of over 20 biometrics that impact your overall wellbeing.
- Measure resting heart rate with 99.6% reliability*
- Monitor heart rate variability with 98% reliability*
- Track temperature changes as small as 0.13 °C/ 0.234 °F**
Long Battery Life
Oura Ring fully charges within 80 minutes and has up to 7 days of battery life. Track your health 24/7 without being slowed down by charging.
Durable Materials
Every Oura Ring is made of titanium: built to last, lighter than the average wedding band, non-allergenic, and water resistant.
- Water resistant up to 100m/328 ft
- Non-allergenic
- Withstands a variety of temperatures, ranging from saunas to ice baths
Research-grade Sensors
Research-grade sensors accurately measure key health metrics like heart rate, temperature, and more — from day to night.
- Red LEDs measure blood oxygen levels while you sleep
- Green LEDs monitor heart rate 24/7
- PPG sensors read resting heart rate, heart rate variability, and respiration
- NTC sensors monitor your nighttime skin temperature trends
Two distinct styles
Both Oura Ring styles have the same technical and hardware capabilities.
![](https://ourahealth.imgix.net/blue-sky/pop/horizon_silver_compare_bg_m@3x.png?ixlib=js-3.8.0&auto=format&fit=max&fm=png&q=70&w=3840&s=e4d89cf263c1c9d4aa84e95800e312a6)
![A Horizon silver Oura ring floats in midair with a rock formation to its left](https://ourahealth.imgix.net/blue-sky/pop/horizon_silver_compare_ring@3x.png?ixlib=js-3.8.0&auto=format&fit=max&fm=png&q=70&w=750&s=78d514b059e8ce5b06cdf12882d3dfb6)
Horizon
A sleek, circular design.
![](https://ourahealth.imgix.net/blue-sky/pop/heritage_silver_compare_bg_m@3x.png?ixlib=js-3.8.0&auto=format&fit=max&fm=png&q=70&w=3840&s=ea84a8f3d7a5064493c9ce93196a4517)
![A Horizon silver Oura ring floats in midair with a rock formation to its left](https://ourahealth.imgix.net/blue-sky/pop/heritage_silver_compare_ring@3x.png?ixlib=js-3.8.0&auto=format&fit=max&fm=png&q=70&w=640&s=0f70a07ea1ac69bf99bf7e4ef9143fb7)
Heritage
A classic, plateau design.
![](https://ourahealth.imgix.net/blue-sky/pop/horizon_silver_compare_bg_d@3x.png?ixlib=js-3.8.0&auto=format&fit=max&fm=png&q=70&w=3840&s=ad0636c8145abf38580360c24d9bbac6)
![A Horizon silver Oura ring floats in midair with a rock formation to its left](https://ourahealth.imgix.net/blue-sky/pop/horizon_silver_compare_ring@3x.png?ixlib=js-3.8.0&auto=format&fit=max&fm=png&q=70&w=1080&s=fac8dcfa4d4210ff0555e33cb0788ff1)
Horizon
A sleek, circular design.
![](https://ourahealth.imgix.net/blue-sky/pop/heritage_silver_compare_bg_d@3x.png?ixlib=js-3.8.0&auto=format&fit=max&fm=png&q=70&w=3840&s=7d8a386811ce9b78af12d689ed41cca8)
![A Heritage silver Oura ring floats in midair with a dark concrete column to its right](https://ourahealth.imgix.net/blue-sky/pop/heritage_silver_compare_ring@3x.png?ixlib=js-3.8.0&auto=format&fit=max&fm=png&q=70&w=1080&s=066e49377b3da02825a2b1290045d279)
Heritage
A classic, plateau design.
A ring for every lifestyle
![A close up of a person's hand wearing a gold Oura Ring while jumping rope](https://ourahealth.imgix.net/blue-sky/pop/lifestyle_photo_grid_4.jpg?ixlib=js-3.8.0&auto=format&fit=crop&fm=png&ar=2%3A3&crop=focalpoint&fp-x=0.51&fp-y=0.49&fp-z=1&q=70&w=3840&s=87475b19fc5a9f4b64f274dbc016887b)
![A woman holds a baby and smiles while wearing a gold Oura Ring on her left hand which rests against the baby's back](https://ourahealth.imgix.net/blue-sky/pop/lifestyle_photo_grid_3.jpg?ixlib=js-3.8.0&auto=format&fit=crop&fm=png&ar=2%3A3&crop=focalpoint&fp-x=0.56&fp-y=0.5&fp-z=1.1&trim-color=0a031d&q=70&w=3840&s=4087e5a49a6830c9536658df3f680cad)
![A man smiles with his left hand lifted towards his face with a Horizon silver Oura ring on his left index finger](https://ourahealth.imgix.net/blue-sky/pop/lifestyle_photo_grid_5.jpg?ixlib=js-3.8.0&auto=format&fit=crop&fm=png&ar=2%3A3&crop=focalpoint&fp-x=0.5&fp-y=0.5&fp-z=1&q=70&w=3840&s=e048144e54774df877d779aacc780940)
![A soldier wearing a camouflage uniform sits against a wall with a Horizon stealth Oura ring on their left index finger](https://ourahealth.imgix.net/blue-sky/pop/lifestyle_photo_grid_6.jpg?ixlib=js-3.8.0&auto=format&fit=crop&fm=png&ar=2%3A3&crop=focalpoint&fp-x=0.52&fp-y=0.5&fp-z=1&q=70&w=3840&s=e844906ad2d66d01f52b2516d9d40f45)
![A closeup of a doctor holding a stethoscope with a Horizon silver Oura ring on their right index finger](https://ourahealth.imgix.net/blue-sky/pop/lifestyle_photo_grid_1.jpg?ixlib=js-3.8.0&auto=format&fit=crop&fm=png&ar=4%3A5&crop=focalpoint&fp-x=0.35&fp-y=0.55&fp-z=1.15&q=70&w=3840&s=1fb5d9f8af4564024dce1df1bf19b1f9)
![A person sits at an office desk holding a sheet of paper with a Horizon silver Oura ring on their index finger](https://ourahealth.imgix.net/blue-sky/pop/lifestyle_photo_grid_2.jpg?ixlib=js-3.8.0&auto=format&fit=crop&fm=png&ar=38%3A35&crop=focalpoint&fp-x=0.65&fp-y=0.7&fp-z=1.3&q=70&w=3840&s=700ad6faf9a5152e3b03cda52e6b9abf)
![A woman holds a baby and smiles while wearing a gold Oura Ring on her left hand which rests against the baby's back](https://ourahealth.imgix.net/blue-sky/pop/lifestyle_photo_grid_3.jpg?ixlib=js-3.8.0&auto=format&fit=crop&fm=png&ar=152%3A229&crop=focalpoint&fp-x=0.56&fp-y=0.5&fp-z=1.1&trim-color=0a031d&q=70&w=3840&s=ab27badebb942e25c230a05cb07ef3ce)
![A close up of a person's hand wearing a gold Oura Ring while jumping rope](https://ourahealth.imgix.net/blue-sky/pop/lifestyle_photo_grid_4.jpg?ixlib=js-3.8.0&auto=format&fit=crop&fm=png&ar=152%3A179&crop=focalpoint&fp-x=0.52&fp-y=0.5&fp-z=1&q=70&w=3840&s=64f837926902fcf859dd012158c0450a)
![A man smiles with his left hand lifted towards his face with a Horizon silver Oura ring on his left index finger](https://ourahealth.imgix.net/blue-sky/pop/lifestyle_photo_grid_5.jpg?ixlib=js-3.8.0&auto=format&fit=crop&fm=png&ar=34%3A35&crop=focalpoint&fp-x=0.5&fp-y=0.5&fp-z=1&q=70&w=3840&s=e18b29c2fc4b323a4cf60693e81f09ea)
![A soldier wearing a camouflage uniform sits against a wall with a Horizon stealth Oura ring on their left index finger](https://ourahealth.imgix.net/blue-sky/pop/lifestyle_photo_grid_6.jpg?ixlib=js-3.8.0&auto=format&fit=crop&fm=png&ar=4%3A5&crop=focalpoint&fp-x=0.68&fp-y=0.5&fp-z=1&q=70&w=3840&s=9c5a6cc29be8082173eaa344a0259196)
![A closeup of a person's left hand holding a book with a Horizon black Oura ring on their left index finger](https://ourahealth.imgix.net/blue-sky/pop/lifestyle_photo_grid_7.jpg?ixlib=js-3.8.0&auto=format&fit=crop&fm=png&ar=4%3A5&crop=focalpoint&fp-x=0.62&fp-y=0.6&fp-z=1.5&q=70&w=3840&s=1840e213e9f767ed86c005b363c9111d)
Become a member
Oura Membership just keeps getting better
Tech Specifications
Quality Materials
Durable titanium, PVD coating, non-allergenic, and seamless inner molding. Over time, Oura Ring can get minor scratches with normal wear and tear.
Battery Life
Up to 7 days of battery life, with full charge in 20 to 80 minutes.
Water Resistant
Oura Ring is water resistant up to 100m/328 ft.
Weight and Dimensions
Width: 7.9mm, Thickness: 2.55mm (size of a wedding band), Weight: 4 to 6 grams (depending on ring size).
Compatibility
The Oura App is available in English, Finnish, Japanese, German, French, Spanish, and Italian, supports metric and imperial units of measurement, and integrates with 40+ apps.
Connectivity
Bluetooth Low-Energy (Bluetooth Smart®), EMF-safe, and allows airplane mode. FCC certified.
![Oura ring with charger](https://ourahealth.imgix.net/blue-sky/pop/pop_charger_set@3x.jpg?ixlib=js-3.8.0&auto=format&fit=max&fm=png&q=70&w=3840&s=4664aa100919010407705a9bc0e5faf7)
What's included
Oura Ring charger
Every Oura Ring comes with one size-specific charger and USB-C cable.
- * https://ouraring.com/blog/how-accurate-is-oura/
- ** https://ouraring.com/blog/temperature-validated-accurate/
- *** $5.99 USD/month or $69.99USD/annually before tax for US members, €5.99/month or €69.99/annually after tax for EU members, $9.99 AUD/month or $109.99 AUD/annually after tax for Australian members, $7.99 CAD/month or $89.99 CAD/annually before tax for Canadian members, ¥999/month or ¥10,999/annually after tax for Japanese members, £5.99/month or £69.99/annually after tax for UK members, $6.99 USD/month or $79.00 USD/annually after tax for rest of world.