---
product_id: 698239246
title: "Oura Smart Ring 4 - Gold - Size 15 - | Non-Standard Fit – Measure with a Size Kit |Sleep, Heart Rate and Fitness Tracking Wearable | 8-Day Battery, iOS / Android Compatible"
brand: "oura"
price: "€ 730.78"
currency: EUR
in_stock: true
category: "Oura"
url: https://www.desertcart.hr/products/698239246-oura-smart-ring-4-gold-size-15-non-standard-fit
store_origin: HR
region: Croatia
---

# titanium durability 8-day battery life 80 min wireless charge Oura Smart Ring 4 - Gold - Size 15 - | Non-Standard Fit – Measure with a Size Kit |Sleep, Heart Rate and Fitness Tracking Wearable | 8-Day Battery, iOS / Android Compatible

**Brand:** oura
**Price:** € 730.78
**Availability:** ✅ In Stock

## Summary

> 💍 Own your health, style, and edge with the Oura Ring 4.

## Quick Answers

- **What is this?** Oura Smart Ring 4 - Gold - Size 15 - | Non-Standard Fit – Measure with a Size Kit |Sleep, Heart Rate and Fitness Tracking Wearable | 8-Day Battery, iOS / Android Compatible by oura
- **How much does it cost?** € 730.78 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/698239246-oura-smart-ring-4-gold-size-15-non-standard-fit)

## Best For

- oura enthusiasts

## Why This Product

- Trusted oura brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Tailored Fit & Style:** Multiple sizes and finishes, plus a sizing kit, guarantee a perfect, personalized ring that fits your lifestyle.
- • **Effortless All-Day Wear:** Sleek titanium design ensures lightweight comfort and water resistance for your busiest days and nights.
- • **Seamless Smartphone Sync:** Bluetooth connectivity pairs with iOS and Android for deep analytics and holistic health management.
- • **Next-Level Health Insights:** Track heart rate, sleep quality, stress, and activity with precision using 50+ biometric sensors.
- • **Stay Ahead with Readiness Score:** Personalized daily energy and recovery guidance helps you optimize performance and prevent burnout.

## Overview

The Oura Ring 4 in Gold is a minimalist, titanium smart ring designed for adults seeking advanced health tracking. It offers 8-day battery life with fast wireless charging, monitors heart rate, sleep, stress, and activity through 50+ biometric sensors, and syncs seamlessly with iOS and Android devices. Water resistant up to 100 meters, it delivers personalized readiness scores and health insights to optimize daily performance, all wrapped in a durable, stylish form factor.

## Description

Free delivery and returns on eligible orders. Buy Oura Smart Ring 4 - Gold - Size 15 - | Non-Standard Fit – Measure with a Size Kit |Sleep, Heart Rate and Fitness Tracking Wearable | 8-Day Battery, iOS / Android Compatible at desertcart UK.

## Features

- Compact and intelligent design for comfortable everyday wear
- Advanced health monitoring capabilities, including heart rate, sleep patterns, and activity tracking
- Long battery life with convenient wireless charging
- Seamless smartphone app integration for detailed health and activity analytics
- Available in multiple finishes and sizes for personalized style

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D9WVJGYK |
| Age Range Description | Adult |
| Band Colour | Gold |
| Band Material Type | Titanium |
| Battery Average Life | 8 days |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 80 minutes |
| Best Sellers Rank | 705 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 3 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 | Gold |
| Communication Feature | Bluetooth |
| Compatible Devices | Smartphone |
| Compatible Phone Models | Android Devices, iOS Devices |
| Connectivity Technology | Bluetooth |
| Controller Type | Gesture Recognition / Biometric Sensors |
| Country of Origin | Estonia |
| Customer Reviews | 4.2 4.2 out of 5 stars (8,968) |
| Display Type | No Display |
| GPS Geotagging Functionality | No GPS |
| Human Interface Input | Unknown |
| Item Dimensions | 28 x 28 x 7 millimetres |
| Item Dimensions D x W x H | 28D x 28W x 7H millimetres |
| Manufacturer | Oura |
| Metrics Measured | Sleep time, distance, number of steps, heart rate, stress, body temperature |
| Model Name | Oura Ring 4 - Gold - Size 15 |
| Model Number | JZ90-54216-15 |
| Operating System | Android |
| Product Features | Activity Tracker |
| Product Warranty | 3 year manufacturer warranty |
| Screen Size | 0.02 |
| Shape | Round |
| Sport Type | Fitness |
| Style Name | Minimalist |
| Supported Application | Over 40 third-party apps, including fitness, health, and productivity apps |
| Supported Satellite Navigation System | GPS |
| Target Audience | Unisex Adults |
| Unit Count | 1.0 count |
| Warranty Type | Standard |
| Water Resistance Depth | 100 Metres |
| Water Resistance Level | Water Resistant |
| Wearable Computer Type | Smart Ring |
| Wireless Compability | Bluetooth |

## Product Details

- **Battery cell composition:** Lithium Polymer
- **Brand:** OURA
- **Connectivity technology:** Bluetooth
- **GPS:** No GPS
- **Model name:** Oura Ring 4 - Gold - Size 15
- **Operating system:** Android
- **Screen size:** 0.02
- **Shape:** Round
- **Special feature:** Activity Tracker
- **Wireless communication standard:** Bluetooth

## Images

![Oura Smart Ring 4 - Gold - Size 15 - | Non-Standard Fit – Measure with a Size Kit |Sleep, Heart Rate and Fitness Tracking Wearable | 8-Day Battery, iOS / Android Compatible - Image 1](https://m.media-amazon.com/images/I/41QA11RH1NL.jpg)
![Oura Smart Ring 4 - Gold - Size 15 - | Non-Standard Fit – Measure with a Size Kit |Sleep, Heart Rate and Fitness Tracking Wearable | 8-Day Battery, iOS / Android Compatible - Image 2](https://m.media-amazon.com/images/I/41rudBcA0wL.jpg)
![Oura Smart Ring 4 - Gold - Size 15 - | Non-Standard Fit – Measure with a Size Kit |Sleep, Heart Rate and Fitness Tracking Wearable | 8-Day Battery, iOS / Android Compatible - Image 3](https://m.media-amazon.com/images/I/41QwAatNy5L.jpg)
![Oura Smart Ring 4 - Gold - Size 15 - | Non-Standard Fit – Measure with a Size Kit |Sleep, Heart Rate and Fitness Tracking Wearable | 8-Day Battery, iOS / Android Compatible - Image 4](https://m.media-amazon.com/images/I/414AOMY+IfL.jpg)
![Oura Smart Ring 4 - Gold - Size 15 - | Non-Standard Fit – Measure with a Size Kit |Sleep, Heart Rate and Fitness Tracking Wearable | 8-Day Battery, iOS / Android Compatible - Image 5](https://m.media-amazon.com/images/I/41Cyhfj-k3L.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: How long should my ring work between charges?**
A: Oura Ring 4 typically lasts 5-8 days on a full charge, depending on usage. Contact Oura Member Care if you have questions or concerns with battery life, and they will ensure your problem is resolved

**Q: How do I choose the right Oura Ring size?**
A: Using the Oura Ring 4 Sizing Kit, choose a finger for your ring. We recommend the index, middle or ring finger. Wear the sizer ring for 24 hours to ensure the fit is secure and comfortable over the course of your day.

**Q: What's included?**
A: Oura Ring 4, Oura Ring 4 Charger, and USB-C Cable.

**Q: How do I see my Oura Ring metrics?**
A: After activating your Oura Ring, you can choose a monthly or annual membership to unlock full access to Oura’s features, daily health and wellness metrics, and personalized guidance.

**Q: Can I use more than one ring?**
A: Oura Members can now connect more than one Oura Ring 4 to their Oura App and quickly switch between them. Note, this feature only supports wearing and syncing data from one active Oura Ring at a time.

## Frequently Bought Together

- Oura Ring 4 - Gold - Size 15 - Smart Ring - Size First with Oura Ring 4 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days of Battery Life
- sylacor Ring Cover for Oura Ring Gen 4/ Gen 3, Anti-Scratch Elastic Silicone Oura Ring Case Protector for Men Women Working Out Gym
- ZOOROO 3 Pack Cover Compatible with Oura Ring Gen 4/Oura Ring Gen 3 Horizon/Gen 3 Heritage, Surport Charging with Cover on, Anti-Scratch TPU Protector for Men Women Workout Gym

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**Shop now:** [https://www.desertcart.hr/products/698239246-oura-smart-ring-4-gold-size-15-non-standard-fit](https://www.desertcart.hr/products/698239246-oura-smart-ring-4-gold-size-15-non-standard-fit)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-10-28*