Built to blend in
The world’s smallest smart ring
Choose your finish
The world’s smallest smart ring puts 50+
health metrics right at your fingertips.
Rebuilt for greater accuracy
40 %
Elegant. Lightweight. Effortless.
99%
95%
90%
Technical Specification
Oura Ring 5
Size-specific Standard Charger
USB-C Cable
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
Available on iOS and Android
Oura App is available in Arabic, Chinese (Traditional and Simplified), Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hebrew, Hindi, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Spanish, and Swedish.
Supports metric and imperial units of measurement
Integrates with 100+ apps
Width: 6.09mm
Thickness: 2.28mm
Weight: From 2 grams (depending on ring size)
One charge lasts up to 6-9 days of battery life, depending on ring size and usage*
Charges in about 80 minutes, depending on battery level
A full day of battery life in 10 minutes with the Oura Ring 5 Charging Case (sold separately)
High-performance titanium exterior
Seamless titanium interior
Waterproof up to 100m/328 ft
IP68 rated for water and dust
