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๐ Elevate your wellness game with the ring that knows you best
The Oura Smart Ring 4 in Silver is a minimalist, titanium wearable designed for adults seeking advanced health insights. It features continuous heart rate monitoring, detailed sleep tracking, and activity analysis, all powered by an 8-day battery and wireless charging. Compatible with iOS and Android devices, it offers seamless Bluetooth connectivity and a lifetime warranty, making it a top-tier smart ring for fitness and wellness enthusiasts.











| ASIN | B0D9WW3YND |
| Age Range Description | Adult |
| Band Colour | Silver |
| Band Material Type | Titanium |
| Battery Average Life | 8 days |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 80 minutes |
| Best Sellers Rank | 660 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 2 in Wearable Tech Rings |
| Box Contents | Information Booklet, Oura Ring 4, Oura Ring 4 Charger, Quick Start Guide, USB-C Cable |
| Brand Name | OURA |
| Case Material Type | Titanium |
| Closure Type | Slip On |
| Colour | Silver |
| Communication Feature | Bluetooth |
| Compatible Devices | Smartphone, Tablet |
| Compatible Phone Models | Compatible with iOS and Android devices |
| Connectivity Technology | Bluetooth |
| Country of Origin | Estonia |
| Customer Reviews | 4.2 4.2 out of 5 stars (7,217) |
| Display Type | No Display |
| EU Spare Part Availability Duration | 8 Days |
| GPS Geotagging Functionality | No GPS |
| Human Interface Input | Buttons |
| Item Dimensions | 24 x 24 x 7 millimetres |
| Item Dimensions D x W x H | 24D x 24W x 7H millimetres |
| Item Weight | 0.18 Kilograms |
| Manufacturer | Oura |
| Metrics Measured | multi-sensor |
| Model Name | Oura Ring 4 - Silver - Size 6 |
| Model Number | JZ90-54217-06 |
| Operating System | [Proprietary Operating System] |
| Product Features | Heart Rate Monitor, Activity Tracker |
| Shape | ring |
| Style Name | Minimalist |
| Supported Application | Fitness Tracker, Sleep Monitor, Health Monitor, Apple Health, Google Health Connect, Natural Cycles, Flo, Strava |
| Supported Satellite Navigation System | GPS |
| Target Audience | Unisex Adults |
| Unit Count | 1.0 count |
| Warranty Type | Lifetime |
| Water Resistance Depth | 100 Metres |
| Water Resistance Level | Water Resistant |
| Wearable Computer Type | Smart Ring |
| Wireless Compability | Bluetooth |
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