Technical specifications for OURA Ring 4 – Gold, Size 4
OVERVIEW
Type
Smart ring
App store
– Apple App Store
– Google Play Store
– Google Play Store
Size / fit
Size 4
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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Rob S. –
Fantastic product. Delivery on time, friendly and knowledgeable. Happy customer.
Rob S. –
Petec V. –
Easy to order lightning fast delivery
Petec V. –
Francesca S. –
Really easy to search for what I wanted. Fast delivery and great service. Cannot fault Lifestyle Home Appliances.
Francesca S. –
Paula P. –
The lads who delivered were friendly knowledgeable happy could not fault there professional manor
Paula P. –
Jeremy R. –
Very pleasant delivery team well done
Jeremy R. –
Daren N. –
Helpful and considerate delivery drivers. Good communication, quick and efficient delivery service. Thank you. Would recommend.
Daren N. –
Patricia B. –
All straight forward. Delivery when promised.
Patricia B. –
Debbie N. –
Friendly,professional delivery guys. Communication excellent. Answered any questions I had.
I had a very positive experience and would use this company again.
It couldn’t have gone any better. I am a very happy customer.
Debbie N. –
Lindsey T. –
Very happy with delivery driver, helpful and cheerful.
Lindsey T. –
Kelly A. –
Excellent service from the delivery people !
Kelly A. –
Karen W. –
Quick and efficient
Karen W. –
Zoe F. –
Good experience.
It was easy to order, pay for and have delivered.
I’m very pleased with the product I ordered.
Zoe F. –