Very good80/100
- Clear app
- Precise heart rate measurement
- Excellent sleep tracking
- Detailed trend analyses + reports
- Excellent stress management + symptom detector
- Good battery life
The Oura Ring 4 is the latest generation of Oura's smart ring. Made entirely from titanium, the smart ring employs the new smart sensing platform. It customises itself to you, captures your biometric values and offers you insights into over 30 biometric parameters, such as sleep, daily form, activity, heart health, stress and women's health. With up to eight days of battery life, the Oura Ring monitors your health and is so comfortable you'll hardly notice it's there.
Colour | Silver |
Material group | Metal |
ring size | 9 |
Weight | 7.90 g |
Health functions | Cycle protocol, Oxygen saturation, Respiratory rate, Sleep recording, Stress levels, Temperature detection |
Item number | 53420553 |
Manufacturer | Oura |
Category | Smart rings |
Manufacturer no. | JZ90-54217-09 |
Release date | 14.1.2025 |
Sales rank in Category Smart rings | 2 of 207 |
Colour | Silver |
Exact colour description | Silver |
Material group | Metal |
Material | Titanium |
ring size | 9 |
Health functions | Cycle protocol, Oxygen saturation, Respiratory rate, Sleep recording, Stress levels, Temperature detection |
Sensors | Accelerometer, Heart rate monitor, Infrared sensor |
Connectivity | Bluetooth Low Energy |
Durability | Waterproof (10 ATM) |
Protection type (IP code) | Waterproof |
Power supply | Rechargeable battery operated |
CO₂-Emission | |
Climate contribution |
Scope of delivery | Battery charger, USB-C cable |
Items per sales unit | 1 x |
Weight | 7.90 g |
Diameter | 7.90 mm |
Length | 12.20 cm |
Width | 11.60 cm |
Height | 3.80 cm |
Weight | 185 g |
