Technical specifications for OURA Ring 4 – Silver, 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
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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Excellent service
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Willma G. –
Good price. great delivery
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Paul A. –
Have used LifestyleHomeAppliances.co.uk for years for larger appliances and have been very pleased with the service. With this knowledge I was quite confident that the service from this company would not let ,e down and I was right. Delivery was on time, easy to order and great prices.
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Karen M. –
Nothing not to like. Lots of choice online, simple to order, good communication, delivered on time with pleasant delivery drivers. Would recommend and will be using again in future
Karen M. –
Edita H. –
A great experience as always. The best prices, free delivery (on this item) and a reliable service.
The team helped me with my order by phone as there was a glitch on the payment page. Very professional, helpful and friendly. Top marks!
Edita H. –
Viviane S. –
it was very easy to apply and delivery was fast easy and hassle free
Viviane S. –