Technical specifications for OURA Ring 4 – Brushed Silver, 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
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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Graham S. –
Delivery was fast, at the time expected and the unpacking service was great
Graham S. –
Pauline D. –
Product arrived as described. Delivery was efficient. The item works fine but it’s nothing special.
Pauline D. –
Kyrieanne C. –
Very easy to order..
Telephone staff very polite
Drivers very polite and well presented
Kyrieanne C. –
Michael S. –
The delivery guys were so lovely and super helpful and polite ive never come across such wonderfully delivery staff the deserve lots of praise for doing an amazing job
Michael S. –
Alison G. –
The delivery team were very professional, efficient and took care to make sure Eve was done well.
Alison G. –
Sam W. –
My item arrived on time and I received a call prior to my delivery the two lads that dropped it of were legends well done LifestyleHomeAppliances.co.uk will be using again!
Sam W. –
Peter D. –
Product I wanted an excellent price and delivered the next day , super happy
Peter D. –
Ann F. –
As always every thing was smooth sailing delivery drivers friendly polit and efficient will recommend to family and friends
Ann F. –
Richard V. –
liked your site and information supplied per item looked up
Richard V. –
Raj N. –
A great selection of products at good prices, especially for members, with very rapid delivery and connection.
Raj N. –
Julie D. –
I was kept well informed regarding the time of my delivery and my appliance was delivered with care both delivery guys were friendly and respectful of my property
Julie D. –
Derek H. –
Nice customer service 👌
Derek H. –