Technical specifications for OURA Ring 4 – Brushed Silver, Size 14
OVERVIEW
Type
Smart ring
App store
– Apple App Store
– Google Play Store
– Google Play Store
Size / fit
Size 14
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
Brushed Silver
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 C. –
Excellent swift delivery. The two gentlemen were very kind and gave me children a teddy bear each too. Very pleased 🙂
Sam C. –
Alison K. –
Fast delivery polite lads who delivered my goods
Alison K. –
Andya T. –
It was straight forward.Communucation fab. The delivery guys were fantastic! Friendly and efficient
Andya T. –
Paul B. –
Great service and kept informed all the time re the delivery
Paul B. –
Penelope M. –
The engineer arrived on time they kept me up to date the were very professional and very polite they done a great job ! Thankyou would definitely recommend 👌
Penelope M. –
Amanda T. –
Great guys. Friendly and efficient
Amanda T. –
Michael P. –
The guys were very professional and took all the rubbish away.
Michael P. –
John B. –
Easy to shop, lots of product info and quality is top notch. Great delivery and easy finance.
What’s not to like?
John B. –