Oura Ring 4 Smart Ring
The Oura Ring 4 is the world's most refined smart ring: titanium build, week-long battery and research-grade sleep tracking.
Key Features
- Titanium ring with Smart Sensing 2.0
- Sleep, readiness and activity scores
- Heart health metrics incl. cardiovascular age
- Up to 8 days battery
- Sizes 4–15 with improved fit
Technical Details
| Brand | Oura |
| Material | Titanium |
| Battery | up to 8 days |
| Sensors | PPG, temperature, accelerometer |
| App | Oura membership included first month |
| Condition | Brand new, factory sealed |
| Warranty | 1-year global warranty |
Buy the Oura Ring 4 Smart Ring with Crypto
Order the Oura Ring 4 Smart Ring at CryptoBitMart and check out privately with Bitcoin, Ethereum, USDT and 50+ other cryptocurrencies. Every order ships fully insured with tracking, backed by our standard return policy and dedicated support.
