Best Smart Ring
Oura Ring Gen 4
by Oura
4.5
The smart ring that started it all — best-in-class sleep tracking, readiness scores, and health insights in a sleek titanium design.
Starting at
Check Best Price →$349
Multi-path heart rate sensor
Advanced sleep staging & smart alarm
Readiness & Resilience scores
SpO2 blood oxygen monitoring
Cycle & period prediction
7-day battery life
Full Review
Oura Ring Gen 4 features new multi-path sensor technology for more accurate heart rate and SpO2 readings, improved sleep staging with smart alarm, stress resilience tracking, cycle prediction, and a refreshed titanium design that's thinner and lighter than ever.
What We Like
- Most accurate sleep tracking in any wearable
- Readiness Score genuinely helps plan your day
- Titanium build is durable and beautiful
- 7-day battery means set-and-forget charging
- Discreet — no one knows you're wearing a tracker
What Could Be Better
- $5.99/month subscription required for full features
- No real-time display or notifications
- Limited workout/exercise tracking
- Sizing can be tricky — kit recommended
Technical Specifications
weight4-6g (varies by size)
batteryUp to 7 days
connectivityBluetooth 5.3
compatibilityiOS 16+, Android 10+
water Resistance100m water resistant
Where to Buy
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