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The Oura Ring 4 in Rose Gold is a premium smart ring designed for professionals who value both style and health. Featuring up to 8 days of battery life, advanced heart rate monitoring, and precise sleep tracking, it offers a seamless blend of fashion and function. Its unique sizing system guarantees a perfect fit, making it the ultimate wearable for optimizing your fitness and recovery.

| Brand | OURA |
| Manufacturer | Oura |
| Model | JZ90-54219-10 |
| Model Name | Oura Ring 4 - Rose Gold - Size 10 - Smart Ring | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life |
| Product Dimensions | 2.7 x 2.7 x 0.8 cm; 181 g |
| Batteries | 1 Lithium Polymer batteries required. (included) |
| Item model number | JZ90-54219-10 |
| Operating System | Proprietary OS |
| Compatible Devices | Smartphone |
| Special Features | Smart Sensing |
| Mounting Hardware | Oura Ring 4, Oura Ring 4 Charger, USB Cable, Information Booklet, Quick Start Guide |
| Number of items | 1 |
| Display Type | Analog |
| Battery Average Life | 8 Days |
| Charging Time | 80 Minutes |
| 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 | 181 g |
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