Technical specifications for OURA Ring 4 – Gold, Size 9
OVERVIEW
Type
Smart ring
App store
– Apple App Store
– Google Play Store
– Google Play Store
Size / fit
Size 9
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
Gold
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







LENOVO IdeaPad Flex 5 16″ 2 in 1 Laptop – AMD Ryzen 5 512 GB SSD Blue
SAMSUNG QN85F 75″ Neo QLED 4K Mini LED Vision AI Smart TV 2025 – QE75QN85F
AMICA AWC300BL Wine Cooler – Black
HOTPOINT ActiveCare NT M11 8X3XB UK 8 kg Heat Pump Tumble Dryer – White
XGIMI Halo+ WM03A Smart Full HD Portable Projector
SONY ZV-E10L Mirrorless Vlogging Camera with E PZ 16-50 mm f/3.5-5.6 OSS Lens
SAMSUNG SpaceMax BRR29600EWW/EU Integrated Fridge – Sliding Hinge
HOTPOINT Dynamic Crisp Class 4 MD 454 IX H Built-In Microwave with Grill – Stainless Steel
APPLE iPhone 15 Pro – 512 GB Blue Titanium
APPLE iPhone 15 Pro Max – 1 TB Blue Titanium
MSI MAG Infinite S3 Gaming PC – Intel® Core™ i7 RTX 4070 1 TB SSD
LENOVO Yoga Pro 9i 16″ Laptop – Intel® Core™ i9 1 TB SSD Grey
APPLE iPhone 15 Pro Max – 512 GB Natural Titanium
APPLE 12.9″ iPad Pro (2022) – 512 GB Space Grey
MICROSOFT 14.4″ Surface Laptop Studio 2 – Intel® Core™ i7 1 TB SSD Platinum
AMICA AWC300SS Wine Cooler – Stainless Steel
APPLE iPhone 15 Pro Max – 512 GB Black Titanium
HP Spectre x360 16-f1500na 16″ 2 in 1 Laptop – Intel® Core™ i7, 512 GB SSD, Black
SONY E 15 mm f 1.4 G Wide-angle Prime Lens
ASUS ROG STRIX Gaming WiFi Z890-E LGA1851 Motherboard
MIELE W1 PowerWash WWB380 WiFi-enabled 8 kg 1400 Spin Washing Machine – White
SONY ZV-E1 Mirrorless Vlogging Camera with FE 28-60 mm f 4-5.6 Lens
SMEG FAB28RPB5UK Tall Fridge – Pastel Blue
CANON EF 24-70 mm f 2.8L II USM Standard Zoom Lens
HAIER X Series 9 HW100-B14387BUUK WiFi-enabled 10 kg 1400 Spin Washing Machine – Black
APPLE iPhone 15 Pro Max – 256 GB Blue Titanium
GARMIN Venu 3S – Silver & Sage Grey
HOOVER H-Wash 300 Pro HBW 49TAMEJ-80 Integrated 9 kg 1400 Spin Washing Machine
AUDIO PRO Addon C10 MKII Wireless Multi-room Speaker – White 





































































































































































































































































































































































































Ste C. –
Item was easy to order online, delivery was very quick, it said item would be delivered in 3 days but I received it the next day.
Ste C. –
Ann L. –
On time and kept in touch , engineer very courteous
Ann L. –
Hannah W. –
Really polite and helpful and on time
Hannah W. –
Thomas V. –
Friendly, punctual and helpful delivery. Thanks guys, great job !!!
Thomas V. –
Alison S. –
Job done ,on time delivery team were very polite and efficient
Alison S. –
Robert E. –
Grand service
Robert E. –
Alison J. –
We were easily able to find what we wanted and to get interest free credit too.
Because we both work, we were able to choose a Sunday delivery. This was really helpful for us and the delivery men were very polite and helpful as well.
Alison J. –