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Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 12 - Black - (2024)

Model: JZ90-54144-12
SKU: 6595480
$349.00
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96% of reviewers would recommend
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Specifications
  • Operating System Compatibility
    Apple iOS, Android
    Built-in Storage
    0 gigabytes
    Metrics Measured
    Activity vs. inactivity, Blood oxygen, Hours slept, Calories burned, Resting heart rate
    Protective Qualities
    Water resistant, Dust resistant
    Maximum Depth of Water Resistance
    328 feet
    Band Material
    Titanium

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      Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 12 - Black - (2024)
      Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 12 - Black - (2024)

      Oura Ring 4 brings you closer to what matters most — your health. With an updated all-titanium design, this smart ring features Smart Sensing, a new sensing platform that doesn’t just measure your biometrics but also adapts to you. It provides insights into over 50 biometrics including sleep, readiness, activity, heart health, stress, metabolic health and women’s health.

      Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 10 - Black - (2024)

      Oura Ring 4 brings you closer to what matters most — your health. With an updated all-titanium design, this smart ring features Smart Sensing, a new sensing platform that doesn’t just measure your biometrics but also adapts to you. It provides insights into over 50 biometrics including sleep, readiness, activity, heart health, stress, metabolic health and women’s health.

      Oura - Ring 4 Sizing Kit - Size Before You Buy the OR4 - Unique Sizing - Receive Credit for Purchase - White - (2024)

      Oura Ring 4 sizes are slightly different from standard ring sizes, so it is important to size yourself using our tools and to follow our sizing instructions. The Oura Ring 4 Sizing Kit allows for you, and those around you, to find the ideal fit before purchasing. You can also size yourself in stores where there is an Oura Ring 4 display. A properly fitting Oura Ring will result in the highest possible data accuracy, comfort, and overall experience.

      Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 11 - Stealth - (2024)

      Oura Ring 4 brings you closer to what matters most — your health. With an updated all-titanium design, this smart ring features Smart Sensing, a new sensing platform that doesn’t just measure your biometrics but also adapts to you. It provides insights into over 50 biometrics including sleep, readiness, activity, heart health, stress, metabolic health and women’s health.

      Pros for Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 12 - Black - (2024)
      Sleep Tracking, Overall Performance, Comfort, Battery Life, Data AccuracySleep Tracking, Overall Performance, Comfort, Battery Life, Data AccuracyComfort, Sizing Accuracy, Build Quality, WeightSleep Tracking, Overall Performance, Comfort, Battery Life, Data Accuracy
      Cons for Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 12 - Black - (2024)
      Size, Scratch Resistance, ConnectivitySize, Scratch Resistance, ConnectivityThere were no cons for this productSize, Scratch Resistance, Connectivity

      Specs

      Reviews

      Customers are saying

      Customers admire the Ring 4 for its detailed sleep tracking, overall performance, comfortable design, and great battery life. Many users find the data accuracy to be better than other wearables. However, some customers have reported issues with the size, scratch resistance, and connectivity.

      This summary was generated by AI based on customer reviews.
      • Sleep Tracking (707)
      • Overall Performance (690)
      • Comfort (408)
      • Size (76)
      • Scratch Resistance (73)
      • Connectivity (20)
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