Technical specifications for OURA Ring 4 – Black, Size 11
OVERVIEW
Type
Smart ring
App store
– Apple App Store
– Google Play Store
– Google Play Store
Size / fit
Size 11
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
Black
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














































































































































































































































































































































































































Colin G. –
Good price, good communication about delivery and super helpful on the day itself
Colin G. –
Margaret C. –
Fast friendly and efficient
Margaret C. –
James B. –
Delivery staff were brilliant , quick and efficient
Thank you
James B. –
Maureen H. –
Good communication re delivery time.
Maureen H. –
Fasal H. –
Perfect transaction
Fasal H. –
Annemarie M. –
On time and very quick and polite
Annemarie M. –
Lee W. –
Cheerful drivers. Arrived within the window. Good communication
Lee W. –
Emma H. –
Delivery easily within time period driver was helpful every time I order from Lifestyle Home Appliances so far has been good and drama free
Emma H. –
Shirley R. –
Easy to order and a fast delivery
Shirley R. –
Carol M. –
Delivery on time good service
Carol M. –
Johannes F. –
Best in business, always friendly, always super efficient at connecting appliances too.
Johannes F. –
Tim M. –
Fast and efficient
Tim M. –
Dawn L. –
Efficient, friendly and hard working guys
Dawn L. –
Bob S. –
Straightforward ordering; item immediately available and delivered very promptly within 24 hours.
Bob S. –