Technical specifications for OURA Ring 4 – Black, Size 15
OVERVIEW
Type
Smart ring
App store
– Apple App Store
– Google Play Store
– Google Play Store
Size / fit
Size 15
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







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Joe D. –
User friendly website with all the information I needed to make an informed choice.
Competitive pricing.
Once purchased, the post sales service was excellent with accurate information given and a delivery on the exact time and date proposed. The delivery team were friendly, knowledgeable and worked quickly but ensured everything was in order before they left.
Great overall service and I would highly recommend Lifestyle Home Appliances for any electrical purchases.
Joe D. –
Victoria T. –
Such great guys, couldn’t have been more helpful. Friendly and professional. Thank you
Victoria T. –
Mark D. –
Easy process and very efficient
Mark D. –
David H. –
Great price. Quality produce. Easy to order. Prompt delivery🙂
David H. –
Robert R. –
Top job !!! Recommend to all.
Robert R. –
Rich B. –
Great Delivery service
Rich B. –