Technical specifications for OURA Ring 4 – Silver, Size 12
OVERVIEW
Type
Smart ring
App store
– Apple App Store
– Google Play Store
– Google Play Store
Size / fit
Size 12
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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Daniel F. –
The two delivery guys were very friendly and very helpful.
Daniel F. –
Gavin G. –
From start to finish it was a stress free and easy purchase and delivery. Customer service 5/5 the person was to the point with light humour, which made me smile and it didn’t feel monotonous. Great all round! Thanks 😊
Gavin G. –
Alan W. –
Guys were quick and efficient and product is very good.
Alan W. –
Duane D. –
Great all round service. Quick delivery great compunction.
The delivery guys were super friendly and happy, even tho the weather was raining and horrible.
Duane D. –
Ricky N. –
Excellent service
Ricky N. –
Roy S. –
Excellent service. Friendly, timely, careful and professional
Roy S. –
Katie C. –
Easy ordering. Kept right up to date with time of delivery and a very cheerful delivery team.
Katie C. –
Andrew B. –
Staff did good job.
Andrew B. –
Laura H. –
As always we have had excellent service from Lifestyle Home Appliances
For more than 30 years we’ve always returned for all appliances when replacing!
Laura H. –
Adam G. –
Delivery is always on time as what that say . The people that do the delivery are always very polite and very helpful
Adam G. –
Rosemary H. –
Happy lovely team, very pleasant and helpful.
Rosemary H. –
Baskott J. –
Good price, prompt delivery of iron via DPD and excellent tracking information.
Previous purchase of dyer also very satisfactory with delivery by Lifestyle Home Appliances personnel.
Baskott J. –
Daniel A. –
The driver called and said he was near. I explained where to park at my premises and the guys did what was asked. Turned up at my door and was greeted with a smile.
The two guys could not do enough.
Fantastic.
Daniel A. –