Technical specifications for OURA Ring 4 – Gold, Size 10
OVERVIEW
Type
Smart ring
App store
– Apple App Store
– Google Play Store
– Google Play Store
Size / fit
Size 10
Compatibility
– iOS 15.0 or later
– Android 9.0 or later
– Android 9.0 or later
Material
Titanium
CONNECTIVITY
Connectivity
Bluetooth Low Energy (BLE)
POWER
Battery type
Internal Lithium-ion battery
Charging method
Charging dock
Charge time
Up to 80 minutes
Battery life
Up to 8 days
FEATURES
Resistance
Water resistant to 100 m / 328 ft (not suitable for diving)
Health & fitness tracking
– Track steps
– Track distance
– Track calories
– Track heart rate
– Sleep monitoring
– Daytime stress
– Menstrual cycle tracking
– Blood oxygen
– Skin temperature
– 40+ activities
– Cardiovascular age
– Cardio capacity (VO2 Max)
– Readiness Score
– Illness detection
– Track distance
– Track calories
– Track heart rate
– Sleep monitoring
– Daytime stress
– Menstrual cycle tracking
– Blood oxygen
– Skin temperature
– 40+ activities
– Cardiovascular age
– Cardio capacity (VO2 Max)
– Readiness Score
– Illness detection
Sensors
– Barometer
– Gyroscope
– Heart rate monitor (HRM)
– Pedometer
– Reflectance pulse oximetry (SpO2)
– Temperature
– Gyroscope
– Heart rate monitor (HRM)
– Pedometer
– Reflectance pulse oximetry (SpO2)
– Temperature
GENERAL
Dimensions
– Width: 7.9 mm
– Thickness: 2.88 mm
– Thickness: 2.88 mm
Colour
Gold
Weight
3.3-5.2 g (depending on ring size)
Manufacturer’s guarantee
2 years
Box contents
– Oura Ring 4
– Charging dock
– USB Type-C cable
– Charging dock
– USB Type-C cable







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Sam P. –
Disappointed overall. The delivery was fine but the product quality doesn’t match the price tag.
Sam P. –
Lauren M. –
Very friendly delivery. Arrived exactly when the driver said on phone. However Lifestyle Home Appliances tracking online was not compatible with actual delivery time.
Lauren M. –
John G. –
Easy ordering, good communication, delivered on time, drivers polite and did exactly as expected.
John G. –
Christopher H. –
Very pleasant people, knew their job very well
Christopher H. –
Julia H. –
Easy to order , great price fast and delivery 🚚 👌❤️
Julia H. –
Teresa G. –
They were very pleasant and efficient. Kept in contact, letting me know when they were arriving and completed the work efficiently and quickly. All tidied up as well.
Teresa G. –
John B. –
Easy to buy, finance options are great, however i received an email advising me the item was out of stock when it wasnt which was strange as it got delivered when it was meant to
John B. –