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Smart rings
OURA Ring 4 – Stealth Black, Size 12
Availability:
In stock
✅ Genuine UK Product
📦 Brand New & Factory Sealed
🛡️ Includes Manufacturer's Warranty
📦 Brand New & Factory Sealed
🛡️ Includes Manufacturer's Warranty
First-time customer❓
Enjoy 10% off with code EXTRA10
- Tracks sleep / steps / distance / calories / sports
- Readiness score
- Battery life: Up to 8 days
- Water resistant (10 ATM)
- Material: Titanium
- Compatible with Android / iOS
- 2 year guarantee
£335.16 £399.00
€396.54 Current price is: €396.54.Original price was: €472.07.
In stock
Technical specifications for OURA Ring 4 – Stealth Black, 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
Stealth
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
- Tracks sleep / steps / distance / calories / sports
- Readiness score
- Battery life: Up to 8 days
- Water resistant (10 ATM)
- Material: Titanium
- Compatible with Android / iOS
- 2 year guarantee
Abigail B. –
Great customer service from start to finish
Abigail B. –
Consumer A. –
Great price, next day delivery, driver rang ahead, delivery and collection went very smoothly
Consumer A. –
Laura C. –
Efficient, user friendly site, kept well informed of delivery, friendly, helpful delivery guys , great company only one I use.
Laura C. –
Dennis P. –
Great service, delivery to suit you, nothing is too much hassle
Dennis P. –
Jenny G. –
Great service by team
Jenny G. –
Ian C. –
Excellent service. Purchased midday Saturday and delivered Sunday morning. Brilliant delivery guys. Great price on machine.
Ian C. –