Oura Ring Oura Ring 4 Ceramic - Midnight | Healf
Oura Ring 4 Ceramic - Midnight
Price: £269.00 (Originally £499.00)
In stock. Next day delivery available.
Key Benefits
- Accurately measures over 30 key biometrics.
- Syncs with Apple Health, Google Health, Strava and more.
- Designed for all-day comfort and long-term wear.
- Up to 8 days battery life.
SIZE BEFORE YOU BUY - Size yourself with the Oura Ring 4 Sizing Kit before purchasing your Oura Ring 4.
Oura Ring 4 Ceramic is the next evolution of the revolutionary smart ring, built around a breakthrough sensing technology, Smart Sensing, which adapts to your finger to deliver accurate, continuous data. It has a fully-titanium design with recessed sensors on the interior, making it more comfortable than ever before, gentle even on sensitive skin. The Oura Ring 4 comes in an expanded size range (sizes 4-15) with 4 stunning finishes to fit your style effortlessly.
PRODUCT DESCRIPTION
PRECISION ACCURACY WITH SMART SENSING
Oura tracks over 50 health metrics, including sleep, activity, stress, heart health, and women’s health metrics. Powered by Smart Sensing, it delivers accurate, continuous data 24/7.
HOLISTIC HEALTH TRACKING
Oura provides over 30 biometrics, including sleep, activity, stress, heart health, and more.
DESIGNED FOR 24/7 WEAR
The Oura Ring 4 is more comfortable, fits better than ever, and is water-resistant. The first all-titanium smart ring combines exceptional durability with a gentle touch, even for sensitive skin.
LONG LASTING BATTERY
With up to 8 days of battery life, you can forget it's on until you start getting compliments. It includes a dedicated charger for convenient, reliable recharging.
SYNC WITH YOUR FAVORITE APPS
Compatible with iOS and Android, Oura integrates with over 40 apps including Apple Health, Google Health Connect, Natural Cycles, Flo, Strava, & more.
MEMBERSHIP IMPROVES WITH YOU
The first month of Oura Membership is included for new members with your purchase, £5.99/month afterwards (or £69.99 annually).
WHY OURA RING IS HEALF
The Oura Ring integrates advanced technology with a deep understanding of wellness, providing a holistic approach to health tracking. Backed by an in-house team of over 20 PhDs, each version has been refined over generations, trusted by millions of users worldwide. Its research-grade sensors enable reliable health data, continuously improving your health insights.
SUGGESTED USE
WEARING YOUR OURA RING
The Oura Ring is designed for all-day wear. Use the Oura Ring Sizing Kit (sold separately) for the perfect fit. It is not recommended to wear the Oura Ring next to other rings to avoid discomfort.
WATER RESISTANCE
The Oura Ring is resistant up to 100 meters (approximately 330 feet). It can be worn while showering or swimming but not recommended for scuba diving.
TEMPERATURE GUIDELINES
Functions effectively within -10°C to 52°C (14°F to 125°F). Prolonged exposure to extreme temperatures may damage the battery.
CARE AND MAINTENANCE
Clean the Oura Ring with mild dish soap and water, ensuring both the ring and hands are dry before wearing. Avoid heat exposure and puncturing the ring.
SPECIFICATIONS
Sensors:
- Red and infrared LEDs measure blood oxygen levels.
- Green and infrared LEDs measure heart rate, heart rate variability, and respiration rate 24/7.
- Digital sensor tracks temperature trends.
- Accelerometer tracks movement/activity 24/7.
Compatibility:
- Oura App available in multiple languages, supports metric/imperial units, integrates with 40+ apps, available on iOS and Android.
Weight and Dimensions:
- Width: 7.9 mm
- Thickness: 3.51 mm
- Weight: 5.1 - 8.1 g depending on ring size.
Battery Life:
- 5-8 days, typically charges in 20-80 minutes depending on battery level.
Quality Materials:
- High-performance zirconia ceramic exterior.
- Seamless titanium interior.
- Water-resistant up to 100 m / 328 ft.
Connectivity:
- Bluetooth Low Energy.
- Automatic firmware updates via Oura App.
- Supports airplane mode, FCC-certified.
QUICK LINKS TO THE OURA RING
- Oura Ring
- Healf Zone members get free next-day delivery on all orders.
USER REVIEWS
Mark C.
Verified Buyer - 3 months ago
“I have been an Oura customer since its early iterations, and this is now my third ring, worn consistently every day.”
Imran A.
Verified Buyer - 4 months ago
“Informative.”