Oura Ring Gen1
Quick details
Released
2015-03
Operating system
Proprietary embedded firmware
Display Screenless
Battery life Around 2-3 days
Water resistance Water-resistant
GPS No
Sensors Infrared optical sensors, 3D accelerometer, temperature sensor
Links Oura
Technical specifications
General
Release date 2015-03
Product type Smart ring
Material Zirconia (ZrO2) ceramic with non-allergenic, non-metallic inner molding
Water resistance Water-resistant; current Oura support no longer lists a depth rating for Gen1
Color options Stealth Black, Arctic White, Mirror Black
Display type None (screenless)
Display size None
Display resolution None
Display brightness None
Display protection None
Battery Rechargeable internal battery
Battery life Around 2-3 days in typical use
Charging USB-connected charging dock
Sensors
GNSS type None
GPS No
GALILEO No
GLONASS No
Beidou No
Accelerometer Yes
Barometric altimeter No
Compass No
Geomagnetic No
Ambient light sensor No
Optical heart rate Yes (infrared PPG)
Electrical heart rate No
SpO2 No
Temperature Yes
Galvanic skin response No
Microphone No
Speakers No
Vibration motor No
Health & activity tracking
Steps Yes
Distance Yes (activity estimates and connected-phone data where supported)
Calories burned Yes
Floors No
Sports tracking Basic daily activity tracking
Sleep Yes
Heart rate Yes (nighttime)
HRV Yes (nighttime)
Stress No dedicated daytime stress feature
Blood oxygen No
Respiration rate Sleep-related respiratory insights
Skin temperature Yes
ECG No
Blood pressure No
Body composition No
Glucose No direct glucose sensor
Hydration level No
UV exposure No
Calorie intake No
Daily smart features
Smartphone compatibility Oura App; legacy generation
Operating system at launch Proprietary embedded firmware
Bluetooth Yes
Wi-Fi No
NFC / connected pay No
UWB No
Cellular No
Smartphone notifications No on-ring notifications
Bluetooth calling No
Smartphone music control No
On-board music storage No
Voice assistant No
Links
Affiliate link Oura
These technical specs are correct to the best of our knowledge at the time of publishing.