Your Health Data

The Oura Ring tracks key signals from your body, delivering critical insights to help you build good habits and harness your body’s potential every day.

Wake Up Feeling Rested

When you’re sleeping, Oura captures meaningful data on your heart rate, body temperature, and more to communicate your body’s progress as it prepares you for the next day.

  • Resting Heart Rate
  • Heart Rate Variability (HRV)
  • Respiratory Rate
  • Body Temperature
  • Light, Deep and REM Sleep
  • Nighttime Movement
  • Sleep Timing and Quality

Start the Day Feeling Rested

While you’re awake, Oura captures data that reflects your activity and movement so you can give your body exactly what it needs to reach its full potential.

  • Activity Levels
  • Calories
  • Steps
  • Inactive Times
  • Naps

Ring Specs

  1. Advanced Sensors

    Infrared LEDs, NTC temperature sensors, an accelerometer, and a gyroscope all wrapped around your finger.

  2. Lightweight & Durable

    The Oura ring is made of titanium so it’s scratch-resistant, non-allergenic, and weighs less than .25 oz.

  3. Extended Battery Life

    The Oura ring uses wireless charging to completely charge in one hour. A single charge lasts up to seven days.

  4. Water Resistant

    The non-metallic seamless inner molding is fully water-resistant.

A woman with her chin on her knee wearing the Oura Ring


How does Oura measure my heart rate?

Oura measures your resting heart rate during sleep and rest by detecting changes in your Blood Pulse Volume (PPG). The measurements are done from the arteries on the palm side of your finger using two infrared LEDs.

Does Oura track my heart rate during exercise?

No, Oura doesn’t track heart rate during exercise or other activities. The ring tracks your resting heart rate while you sleep, and during restful moments during the day.

Can I wear the ring at the gym?

You can, but to protect your finger and your ring, we don’t recommend it. Like regular jewelry, Oura can scratch if worn while lifting weights or gripping bars, or when scraping against metal, ceramics or stone.

How does Oura measure my heart rate variability?

Oura tracks your heart rate variability (HRV) while you sleep, and during restful moments during the day. It calculates your HRV from the rMSSD, a well-known HRV parameter that provides a good view on your Autonomic Nervous System activity.

How does Oura measure my body temperature?

Oura registers your body temperature reading every minute while you sleep. The Oura app doesn’t show absolute temperature values in Fahrenheit or Celsius, instead it shows how your body temperature changes around your own personal baseline over days, weeks and months.

Can I put the Oura ring in airplane mode?

Yes, if you prefer to keep Bluetooth off completely, you can enable ring airplane mode to cut all radio transmission from the ring. Oura uses Bluetooth to sync your ring’s data with the app and to send notifications, but it doesn’t need to be connected to your phone to collect data. The ring can store data for up to 6 weeks. Just take your ring out of airplane mode and it will begin syncing all your stored data.