💍 Track smarter, sleep better, live sharper.
The Oura Ring 4 Stealth is a sleek, smart wearable designed for continuous health monitoring with advanced sleep tracking, heart rate sensing, and up to 8 days of battery life. Its unique sizing ensures a perfect fit, while Bluetooth connectivity keeps your wellness data synced seamlessly to your smartphone.
| Brand | OURA |
| Manufacturer | Oura |
| Model | JZ90-54218-07 |
| Model Name | Oura Ring 4 |
| Product Dimensions | 2.8 x 2.8 x 0.8 cm; 180 g |
| Batteries | 1 Lithium Polymer batteries required. (included) |
| Item model number | JZ90-54218-07 |
| Compatible Devices | Smartphone |
| Special Features | Sleep Monitor |
| 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 | Unknown |
| Includes Rechargeable Battery | Yes |
| Manufacturer | Oura |
| Item Weight | 180 g |
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