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Smart Ring 4 Ceramic Cloud

Smart Ring 4 Ceramic Cloud

New Smart Sensing technology provides enhanced accuracy, deeper personalization, and longer battery life.

Sleek, fully-titanium design and discreet sensors provide 24/7 comfort.

With 5-8 days** of battery life per charge, never miss a beat when it comes to tracking your health.

Oura Membership grows with you

Track over 50 health and wellness metrics, and get personalized insights into your sleep, activity, stress, metabolic, heart health, and women’s health. With innovative, AI-powered tools like Oura Advisor, get exclusive access to actionable insights that become increasingly tailored over time.

  • Heart Health
  • Sleep & Rest
  • Activity & Movement
  • Stress
  • Women’s Health
  • Metabolic
Tech Specifications

Sensors
Red and infrared LEDs measure blood oxygen levels
Green and infrared LEDs alternate to measure heart rate and heart rate variability 24/7 and respiration rate
Digital sensor measures temperature trends
Accelerometer tracks movement and activity 24/7

Compatibility
Oura App is available in English, Finnish, Japanese, German, French, Spanish, Italian, Norwegian, Swedish, Czech, Dutch, and Danish
Supports metric and imperial units of measurement
Integrates with 40+ apps
Available on iOS and Android

Weight and Dimensions
Width: 7.90mm
Thickness: 2.88mm
Weight: 3.3 to 5.2 grams (depending on Oura Ring size)

Battery Life
5-8 days of battery life**
Typically charges in 20-80 minutes, depending on battery level

Quality Materials
Non-allergenic titanium on inner & outer surfaces
Seamless titanium interior
Water resistant up to 100m/328 ft
Minor scratches from regular wear are normal

Connectivity
Bluetooth Low Energy
Automatic firmware updates via Oura App
EMF-safe
Supports airplane mode
FCC-certified

* Your Oura Membership will automatically renew on a monthly or annual basis until you cancel. You may cancel at any time. Cancellation will take effect at the end of your current automatic renewal term. Canceling does not entitle you to a full or pro-rated refund of any paid fees. If you do not cancel before the end of any free trial or any prepaid membership term, your Oura membership will automatically renew and you will be charged at the applicable rate for your selected membership term.
** Battery life and longevity depend on Oura Ring size, Oura App settings, feature configuration, activity, battery age, usage, and many other factors; actual results will vary. Battery life and charge cycles vary by use and settings. Battery tests were conducted across various sizes and scenarios. See Oura Ring 4 Battery Life and Ring Battery Tips for more information.
Select Size
From $599.70

Original: $1,999.00

-70%
Smart Ring 4 Ceramic Cloud—

$1,999.00

$599.70
Product image 1

Description

New Smart Sensing technology provides enhanced accuracy, deeper personalization, and longer battery life.

Sleek, fully-titanium design and discreet sensors provide 24/7 comfort.

With 5-8 days** of battery life per charge, never miss a beat when it comes to tracking your health.

Oura Membership grows with you

Track over 50 health and wellness metrics, and get personalized insights into your sleep, activity, stress, metabolic, heart health, and women’s health. With innovative, AI-powered tools like Oura Advisor, get exclusive access to actionable insights that become increasingly tailored over time.

  • Heart Health
  • Sleep & Rest
  • Activity & Movement
  • Stress
  • Women’s Health
  • Metabolic
Tech Specifications

Sensors
Red and infrared LEDs measure blood oxygen levels
Green and infrared LEDs alternate to measure heart rate and heart rate variability 24/7 and respiration rate
Digital sensor measures temperature trends
Accelerometer tracks movement and activity 24/7

Compatibility
Oura App is available in English, Finnish, Japanese, German, French, Spanish, Italian, Norwegian, Swedish, Czech, Dutch, and Danish
Supports metric and imperial units of measurement
Integrates with 40+ apps
Available on iOS and Android

Weight and Dimensions
Width: 7.90mm
Thickness: 2.88mm
Weight: 3.3 to 5.2 grams (depending on Oura Ring size)

Battery Life
5-8 days of battery life**
Typically charges in 20-80 minutes, depending on battery level

Quality Materials
Non-allergenic titanium on inner & outer surfaces
Seamless titanium interior
Water resistant up to 100m/328 ft
Minor scratches from regular wear are normal

Connectivity
Bluetooth Low Energy
Automatic firmware updates via Oura App
EMF-safe
Supports airplane mode
FCC-certified

* Your Oura Membership will automatically renew on a monthly or annual basis until you cancel. You may cancel at any time. Cancellation will take effect at the end of your current automatic renewal term. Canceling does not entitle you to a full or pro-rated refund of any paid fees. If you do not cancel before the end of any free trial or any prepaid membership term, your Oura membership will automatically renew and you will be charged at the applicable rate for your selected membership term.
** Battery life and longevity depend on Oura Ring size, Oura App settings, feature configuration, activity, battery age, usage, and many other factors; actual results will vary. Battery life and charge cycles vary by use and settings. Battery tests were conducted across various sizes and scenarios. See Oura Ring 4 Battery Life and Ring Battery Tips for more information.