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💍 Own your health journey with the ring that works as hard as you do.
The Oura Ring 4 is a cutting-edge smart ring crafted from titanium, designed to track over 50 health metrics including sleep, heart rate, stress, and women’s health. Featuring Smart Sensing technology, it adapts to your body for precise, continuous monitoring. With up to 8 days of battery life, 100m water resistance, and multi-ring style support, it blends advanced wellness tracking with sleek, durable design—perfect for the busy professional who values both health and style.
| ASIN | B0D9WVVS6W |
| Additional Features | Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight |
| Age Range Description | Adult |
| Band Color | brushed silver |
| Band Material Type | Titanium |
| Battery Average Life | 5 days |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 80 minutes |
| Best Sellers Rank | #255 in Electronics ( See Top 100 in Electronics ) #3 in Smart Rings #8 in Activity & Fitness Trackers |
| 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 | No Closure |
| Color | Brushed Silver |
| Communication Feature | Bluetooth, Wi-Fi |
| Compatible Devices | Smartphone |
| Compatible Phone Models | Android Devices, iOS Devices |
| Connectivity Technology | Bluetooth |
| Controller Type | Ring |
| Customer Reviews | 4.0 4.0 out of 5 stars (8,992) |
| Display Type | No Display |
| GPS Geotagging Functionality | GPS Via Smartphone |
| Human Interface Input | Buttons, Gesture |
| Item Dimensions | 0.94 x 0.94 x 0.31 inches |
| Item Dimensions D x W x H | 0.94"D x 0.94"W x 0.31"H |
| Item Weight | 0.18 kg |
| Manufacturer | Oura |
| Metrics Measured | Body Temperature, Menstrual Cycle, Sleep Duration, Stress |
| Model Name | Oura Ring 4 - Brushed Silver - 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 |
| Model Number | JZ90-54220-10 |
| Operating System | Android |
| Shape | Round |
| Style Name | Metallic |
| Supported Application | Fitness Tracker |
| Supported Satellite Navigation System | GPS |
| Target Audience | Unisex Adults |
| Warranty Description | 1 Year Manufacturer |
| Warranty Type | Standard |
| Water Resistance Depth | 100 meters |
| Water Resistance Level | Water Resistant |
| Wearable Computer Type | Smart Ring |
| Wireless Compability | Bluetooth |
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