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💍 Own your health, invisibly powerful.
The Oura Ring 4 is a premium smart ring crafted from titanium, offering advanced Smart Sensing technology that tracks over 50 health metrics including sleep, heart health, stress, and women’s health. With up to 8 days of battery life, water resistance up to 100 meters, and seamless Bluetooth connectivity, it delivers continuous, accurate biometric data in a sleek, lightweight design. Perfect for professionals seeking discreet, data-driven wellness insights with style flexibility through multi-ring support.
| ASIN | B0D9WVKXLK |
| Additional Features | Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight |
| Age Range Description | Adult |
| Band Color | Gold |
| Band Material Type | Gold |
| Battery Average Life | 5 days |
| Battery Capacity | 8 |
| Battery Cell Composition | Lithium Polymer |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 80 minutes |
| Best Sellers Rank | #314 in Electronics ( See Top 100 in Electronics ) #3 in Smart Rings |
| Brand | OURA |
| Built-In Media | Oura Ring 4, Oura Ring 4 Charger, USB Cable, Information Booklet, Quick Start Guide |
| Case Material Type | Titanium |
| Closure Type | Slip On |
| Color | Gold |
| Communication Feature | Bluetooth |
| Compatible Devices | Smartphone |
| Compatible Phone Models | Android, iOS |
| Connectivity Technology | Bluetooth |
| Controller Type | Ring |
| Customer Reviews | 4.0 out of 5 stars 9,016 Reviews |
| Display Type | No Display |
| GPS Geotagging Functionality | GPS Via Smartphone |
| Global Trade Identification Number | 06430060153288 |
| Human Interface Input | Buttons |
| Item Dimensions | 0.87 x 0.87 x 0.28 inches |
| Item Dimensions D x W x H | 0.28"D x 0.87"W x 0.28"H |
| Item Weight | 0.18 kg |
| Manufacturer | Oura |
| Metrics Measured | Body Temperature, Menstrual Cycle, Sleep Duration, Stress |
| Model Name | JZ90 |
| Model Number | JZ90-54216-08 |
| Operating System | i_os, android |
| Shape | Round |
| Special Feature | Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight |
| Style Name | Metallic |
| Supported Application | Fitness Tracker |
| Supported Satellite Navigation System | GPS |
| Target Audience | Unisex Adults |
| Warranty Description | 1 Year Manufacturer |
| Warranty Type | Standard/Full |
| Water Resistance Depth | 100 meters |
| Water Resistance Level | Water Resistant |
| Wearable Computer Type | Smart Ring |
| Wireless Communication Standard | Bluetooth |
| Wireless Compability | Bluetooth |
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