Oura Ring 4 — Stealth
Oura Ring 4 in matte black PVD coating. Same industry-leading biometric accuracy. Includes 1 month free membership.
$349.00
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Key Benefits
- Premium matte black PVD titanium finish
- Identical sensor suite to all Oura Ring 4 variants
- 7-day battery, water-resistant to 100m
- FDA-cleared AFib detection
Full Description
The Oura Ring 4 Stealth features a premium matte black PVD (Physical Vapor Deposition) coating over titanium — the same material used in aerospace and surgical instruments. Identical biometric capabilities to the Silver variant: 18 sensors, 7-day battery, 100m water resistance, and FDA-cleared AFib detection. The preferred choice of those who prefer understated hardware.
How to Use
Wear on any finger. Charge for 20–80 minutes daily. Open the Oura app each morning to review your Readiness Score, sleep breakdown, and HRV trends.
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