Oura Ring 4 - Black, Size 13 (Unique Sizing) Smart Ring
Smart ring with sleep and heart-rate tracking and 50+ metrics. Includes first-month membership; sizing kit recommended for accurate fit. Customers note strong sleep tracking and build quality with mixed views on battery life and durability
Highlights
- 50+ health metrics
- sleep and heart-rate tracking
- unique sizing system
Pros
- sleep tracking and heart rate
- strong build quality
- unique sizing approach
- tracks 50+ health metrics
Cons
- battery life mixed reviews
- scratch resistance concerns
- non-standard sizing requires kit
Best For
Features
- Oura Ring 4 sizing differs from standard rings; use the Sizing Kit for accurate fit
- First month of Oura Membership included with purchase; subsequent monthly or annual options available
- Membership is linked to your Oura App account, not the physical ring
- Tracks over 50 health metrics, including sleep, activity, stress, and heart health
