Oura Ring 4 is a small, comfy smart ring that tracks your sleep and health while you go about your day. It's really accurate and has a long battery life. Yet, it doesn't track your activities much in real-time. Plus, you need a subscription to see all the cool, detailed health info and personalized tips.
Here are the general specifications of Oura Ring 4
| General Specification | |
| Case Material | PVD-coated non-allergenic titanium |
| Durability | Water resistant up to 100m / 328 ft |
| Weight | 3.3g – 5.2g (depending on size) |
| Width | 7.90mm |
| Thickness | 2.88mm |
| Colours | Black, Silver, Gold, Stealth Black, Rose Gold, Brushed Silver |
| Charging and Sensors | |
| Charging Dock | USB-C magnetic dock (flat surface required) |
| Heart Rate Sensor | Green + infrared LEDs |
| SpO2 Sensor | Red + infrared LEDs |
| Temperature Sensor | Yes |
| Motion Tracking | 3D accelerometer |
| Software and Companion Apps | |
| Platforms | Android, iOS |
| App Name | Oura App |
| Data Sync | Manual (opens app required) |
| AI Feature | Oura Advisor Chatbot |
| Health Integration | Google Health Connect, Apple Health |
| Activity Tracking | |
| Sleep Tracking | Excellent |
| Heart Rate Accuracy | High |
| Step Tracking | Mostly accurate |
| Activity Detection | Needs manual confirmation |
| GPS Tracking | Smartphone-dependent |
| Stress Tracking | Moderately reliable |
| Battery Details | |
| Battery Capacity | 15–22mAh (varies by size) |
| Battery Life | Up to 7 days |
| Charging Time | ~1 hour 30 minutes |
| Charging Method | USB-C dock |
Here are the Pros and Cons of Oura Ring 4
| Pros | Cons |
| Premium build quality | Requires subscription |
| Comfortable for 24/7 wear | No real-time fitness tracking |
| Excellent sleep tracking | Manual activity confirmation needed |
| Strong battery life | App sync requires opening app |
| Useful AI health insights | GPS depends on phone |
Oura Ring 4 suits folks who prefer passive health tracking over active fitness stuff. It nails sleep analysis and recovery tracking while staying comfy, perfect for those into long-term health insights. But, its need for a subscription, lack of real-time data, and manual activity logging won't cut it for fitness fanatics.