Oura Ring 4
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Revision as of 14:54, 27 October 2026 by Jeandecian (talk | contribs)
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| Oura Ring 4 | ||
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Security Grade
Calculator v1
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Oura Ring 4
Brand: Oura (Parent: Oura Health Ltd.) Category: Smart Ring • Model / Gen: 4 Release Date: 2024-10-15 • Status: In sale Classification Date: 2026-10-27 • Official Website | |
Contents
Security Evaluation
1. Device Security
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Known hardware tampering | Rare | — | |
| Known vulnerabilities | Rare | — | |
| Prior attacks | None | — | |
| Updatability | Very common | — | |
| Category Score | Score: 2 / 3 | ||
2. System Security
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Authentication with other systems | Partial | — | |
| Communications | Encrypted with up-to-date encryption | — | |
| Storage | Encrypted with up-to-date encryption | — | |
| Category Score | Score: 2 / 3 | ||
3. User Authentication
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Account management | Basic | — | |
| Authentication | Basic | — | |
| Brute-force protection | Basic | — | |
| Event logging | Partial logging | — | |
| Passwords | Require change after setup with complexity requirements | — | |
| Category Score | Score: 2 / 3 | ||
Technical Specifications
| Property | Details |
|---|---|
| Operating System & App | Proprietary Oura firmware (BLE); Oura app (iOS/Android) (Companion App: Oura) |
| Hardware (CPU / GPU) | CPU: • GPU: |
| Memory & Storage | Memory: • Storage: |
| Power, Battery & Charging | Battery: Up to 8 days; charge time 20–80 min • Power: Rechargeable Li-polymer cell • Charging: USB-C charging case/dock |
| Display & Camera | Display: • Camera: |
| Sound & Connectivity | Sound: • Connectivity: |
| Physical (Dimensions & Mass) | Dimensions: 7.9 mm wide × 2.88 mm thick (band) • Mass: 3.3–5.2 g (sizes 6–15) |
