💍 Own your health, invisibly powerful.
The Oura Ring 4 Stealth is a sleek, all-titanium smart ring designed for continuous 24/7 biometric tracking. It monitors over 30 health metrics including sleep, heart rate, activity, and stress with adaptive Smart Sensing technology. Featuring up to 8 days of battery life and water resistance, it offers durable comfort without distractions. The ring syncs with over 40 popular health apps and includes a sizing kit to ensure the perfect fit, making it an essential wearable for proactive health management.
| Brand | OURA |
| Manufacturer | Oura |
| Model | JZ90-54218-13 |
| Product Dimensions | 2.7 x 2.7 x 0.8 cm; 191 g |
| Batteries | 1 Lithium Polymer batteries required. (included) |
| Item model number | JZ90-54218-13 |
| Compatible Devices | Smartphone |
| Special Features | Heart Rate Monitor, Activity Tracker |
| Mounting Hardware | Oura Ring 4, Oura Ring 4 Charger, USB Cable, Information Booklet, Quick Start Guide |
| Number of items | 1 |
| Display Type | No Display |
| Batteries Included | Yes |
| Batteries Required | Yes |
| Battery cell composition | Lithium Polymer |
| Wireless Type | Bluetooth |
| Connector Type | Bluetooth |
| Device interface - primary | Touchscreen |
| Includes Rechargeable Battery | Yes |
| Manufacturer | Oura |
| Item Weight | 191 g |
Trustpilot
2 months ago
4 days ago
