Quality Materials
- Premium Material: Full titanium exterior and interior with a super-hard PVD coating on every finish for improved scratch resistance
- Inner Surface: Non-allergenic titanium inner shell with a BPA-free inner surface
- Water Resistance: Withstands depths of up to 100m (328 ft); IP68 rated. Suitable for the sauna and water sports, but not for diving
Battery Life
- Long-Lasting Battery: Typically 6-9 days per charge, depending on ring size and usage
- Quick Charging: Recharges in about 80 minutes, depending on battery level
- Onboard Memory: Stores up to three days of data on the ring
Weight and Dimensions
- Width: 6.09mm
- Thickness: 2.28mm
- Weight: From 2 grams (varies by ring size)
Compatibility
- Languages: Oura App is available in English, Finnish, Japanese, German, French, Spanish, Italian, Norwegian, Swedish, and Danish.
- Measurement Units: Supports both metric and imperial systems.
- App Integrations: Compatible with 40+ apps.
- Device Compatibility: Available on iOS and Android.
Connectivity
- Connectivity: Bluetooth 5.0 for efficient performance
- Updates: Automatic firmware updates via the Oura App
- Safety: EMF-safe with an optional Airplane Mode
- Certification: FCC-certified for compliance and reliability
Sensors
- Light Sensing: Two tri-LED (red, green and infrared) emitters and two photodetectors power heart rate, heart rate variability, blood oxygen (SpO2) and respiration tracking
- Temperature Sensing: A digital sensor monitors average body temperature variations
- Activity Tracking: An accelerometer records movement and activity 24/7







