Technical specifications for OURA Ring 4 – Black, 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
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

























































































































































































































































































































































































































Michael S. –
Delivered earlier than expected
Michael S. –
Julian T. –
Never a problem with anything being delivered,phone calls to keep me updated when they will deliver .Always happy to help
Julian T. –
Beth S. –
Always good product delivered on time
Beth S. –
Marian T. –
Speedy buying and delivery process.
Marian T. –
David S. –
Simple order process, next day delivery with great tracking info. Chaps were polite and didn’t mind take the TV upstairs to
The bedroom
David S. –
Linda M. –
the whole experience they arrived on time 2 pleasant lads very helpful Lifestyle Home Appliances are the best and best value for money
Linda M. –
Andrea D. –
Very quick delivery. Item exactly as ordered.
Andrea D. –
Matt S. –
Really professional and helpful
Matt S. –
Emma E. –
Easy to order. Item arrived in 2 days, well within the stated delivery time-slot.
Emma E. –