Oura Ring 4 Health & Fitness Tracker Smart Ring
Introducing Oura Ring 4: the latest evolution of the revolutionary smart ring.
Oura Ring 4 brings you closer to what matters most — your health. The updated all-titanium design is powered by Smart Sensing, a new sensing platform that doesn’t just measure your biometrics, it adapts to you, providing insights into over 30 biometrics including sleep, readiness, activity, heart health, stress and women’s health. Oura Ring quietly and comfortably monitors your health, and with up to 8 days of battery life — you can forget it’s even on.
Sleeker, smarter and more accurate than ever, Oura Ring 4 is made for you.
Product Specifications
Accessories Included: Oura Ring, Charging Dock & Cable-USB
Batteries Included: Yes
Battery Capacity: 14.5mAh
Battery Life Details: Up to 8 days
Cellular Generation: Not Cellular
Charging time: 80.00 mins
Compatible with Android and IOS
Country of Origin: Estonia
Guarantee: 1 year guarantee included
Location Services: No Location Services
Model name / number: Oura Ring 4
Music Capability: No
Power Supply: Rechargeable Battery
Sensors & Trackers: Heart Rate, Temperature
Strap Colour: Black
Vibration alert: No
Compatibility/ Specification
Oura Ring sizes are different from standard ring sizes. It’s important to find your size before you purchase your Oura Ring.
Purchase an Oura Ring Sizing Kit, or size yourself at one of our stores. With a sizing kit purchase, you will receive a $15 coupon code to use towards your Oura Ring at checkout.
Your most personal smart ring ever
Sleeker, smarter, and made for you
Expertly crafted for quality and precision, Oura Ring 4 provides valuable insights into your holistic health – sleep, activity, stress, heart health, cycle and more.
FAQ
How accurate is the Oura Ring?
The sensors in the Oura Ring have been tested against laboratory results in multiple validation studies. Learn more about Science & Research at Oura.
Wearables differ in where they're worn, the sensors they use, and how they process data. For the most consistent and meaningful insights, it's best to track trends and changes over time within your Oura Ring and Oura App, rather than comparing your Oura results to those from other devices.
Can I wear my Oura Ring in pools, saunas or ice baths?
Oura Ring is water-resistant up to 100 meters (~330 feet), meaning that you can wear it while showering, swimming, or partaking in recreational diving (e.g. snorkeling), but we don’t recommend using your Oura Ring while scuba diving or keeping it submerged underwater for over 12 hours. Chlorine will not damage it.
Oura Ring operating temperature ranges from -10–52°C / 14–125°F. You can safely wear your Oura Ring in the shower, hot tubs, saunas, ice baths, and cryotherapy tanks. However, extended exposure to extreme temperatures (below -20°C / -4°F or above 60°C / 140°F) may lead to battery damage.
What does the Oura Ring track?
Oura Ring gives a complete picture of your health, including:
- Readiness
- Sleep
- Activity
- Daytime Stress and Resilience
- Heart Health: Cardiovascular Age and Cardio Capacity
- Women’s Health: Cycle Insights, Fertile Window, and Pregnancy Insights
Can I use Oura Ring without a subscription?
Oura Membership unlocks the full potential of the Oura App, allowing you to access detailed insights and personalized guidance. Without a membership, the Oura Ring can be used only with limited functionality.
How do I choose the right size for my Oura Ring?
We recommend you use an Oura Ring sizing kit before selecting your Oura Ring size. The kit includes plastic ring sizers corresponding to Oura Ring sizes, which differ slightly from standard ring sizes (note: half sizes are not available).
For accuracy, wear the sizing ring for at least 24 hours, including while sleeping, before finalizing your size. If you’re between sizes, we recommend choosing the smaller size for a more secure fit. Visit our Sizing Page for more information.
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