Quality Materials
- Premium Material: Non-allergenic titanium on both inner and outer surfaces
 - Seamless Design: Smooth titanium interior for a comfortable fit
 - Durability: Minor scratches from regular wear are normal over time
 - Water Resistance: Withstands depths of up to 100m (328 ft)
 
Battery Life
- Long-Lasting Battery: Up to 8 days of power*
 - Quick Charging: Recharges in 20–80 minutes, depending on battery level
 
Weight and Dimensions
- Width: 7.90mm
 - Thickness: 2.88mm (comparable to a wedding band)
 - Weight: 3.3 to 5.2 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® Low Energy 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
- Blood Oxygen Monitoring: Red and infrared LEDs track SpO2 levels while you sleep.
 - Heart & Respiration Tracking: Green and infrared LEDs measure heart rate, heart rate variability (24/7), and respiration rate during sleep.
 - Temperature Sensing: A digital sensor monitors temperature variations.
 - Activity Tracking: An accelerometer records movement and activity 24/7.
 
















