---
product_id: 682589373
title: "Smart Ring 4 - Gold - Size 7 - | Non-Standard Fit – Measure with a Size Kit |Sleep, Heart Rate and Fitness Tracking Wearable | 8-Day Battery, iOS / Android Compatible"
brand: "oura"
price: "€ 537.38"
currency: EUR
in_stock: true
category: "Oura"
url: https://www.desertcart.pt/products/682589373-smart-ring-4-gold-size-7-non-standard-fit-measure
store_origin: PT
region: Portugal
---

# 8-day battery life Advanced sleep tracking Comprehensive health metrics Smart Ring 4 - Gold - Size 7 - | Non-Standard Fit – Measure with a Size Kit |Sleep, Heart Rate and Fitness Tracking Wearable | 8-Day Battery, iOS / Android Compatible

**Brand:** oura
**Price:** € 537.38
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Smart Ring 4 - Gold - Size 7 - | 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?** € 537.38 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/682589373-smart-ring-4-gold-size-7-non-standard-fit-measure)

## 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 for You:** Non-standard sizing with a precision size kit ensures a perfect, secure fit—because your wellness device should feel custom-made.
- • **Effortless All-Day Wear:** Sleek titanium design in elegant gold, engineered for comfort and style that fits seamlessly into your professional and social life.
- • **Next-Level Health Insights:** Track heart rate, sleep quality, and activity with clinical-grade accuracy to optimize your wellness and productivity.
- • **Smartphone Sync & Analytics:** Seamlessly integrates with iOS and Android apps delivering personalized, actionable health data at your fingertips.
- • **Unmatched Battery Endurance:** Up to 8 days of continuous use with quick 80-minute USB-C wireless charging—stay powered without daily interruptions.

## Overview

The Oura Smart Ring 4 in gold combines minimalist titanium craftsmanship with advanced biometric tracking, offering 8-day battery life and seamless Bluetooth connectivity to iOS and Android devices. It delivers precise heart rate, sleep, and activity monitoring in a compact, stylish wearable designed for professionals who demand both form and function.

## Description

Free delivery and returns on eligible orders. Buy Oura Smart Ring 4 - Gold - Size 7 - | 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 | B0D9WVNR9H |
| Age Range Description | Adult |
| Band Colour | gold |
| Band Material Type | Titanium |
| Battery Average Life | 8 days |
| Battery Capacity | 8 days |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 80 minutes |
| Best Sellers Rank | 669 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 | Gold |
| Communication Feature | Bluetooth |
| Compatible Devices | Smartphone |
| Compatible Phone Models | Compatible with iOS and Android devices |
| Connectivity Technology | Bluetooth |
| Controller Type | Proprietary |
| Country of Origin | Estonia |
| Customer Reviews | 4.2 4.2 out of 5 stars (8,799) |
| Display Type | No Display |
| GPS Geotagging Functionality | No GPS |
| Human Interface Input | Buttons |
| Item Dimensions | 28 x 28 x 7 millimetres |
| Item Dimensions D x W x H | 28D x 28W x 7H millimetres |
| Item Weight | 0.18 Kilograms |
| Manufacturer | Oura |
| Metrics Measured | Heart Rate Monitor, Sleep Duration, Stress Monitor |
| Model Name | Oura Ring 4 - Gold - Size 7 |
| Model Number | JZ90-54216-07 |
| Operating System | iOS, Android |
| Product Features | Heart Rate Monitor, Activity Tracker, Pedometer |
| Product Warranty | 3 year manufacturer warranty |
| Shape | Round |
| Sport Type | Multi-Sports |
| Style Name | Minimalist |
| Supported Application | iOS, Android, Health Tracking, Fitness, Productivity, Smart Home, Lifestyle |
| 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 |
| Waterproof Rating | IPX4 (predicted) |
| Wearable Computer Type | Smart Ring |
| Wireless Compability | Bluetooth |

## Product Details

- **Battery capacity:** 8 days
- **Battery cell composition:** Lithium Polymer
- **Brand:** OURA
- **Connectivity technology:** Bluetooth
- **GPS:** No GPS
- **Model name:** Oura Ring 4 - Gold - Size 7
- **Operating system:** iOS, Android
- **Shape:** Round
- **Special feature:** Heart Rate Monitor, Activity Tracker, Pedometer
- **Wireless communication standard:** Bluetooth

## Images

![Smart Ring 4 - Gold - Size 7 - | 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)
![Smart Ring 4 - Gold - Size 7 - | 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)
![Smart Ring 4 - Gold - Size 7 - | 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)
![Smart Ring 4 - Gold - Size 7 - | 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)
![Smart Ring 4 - Gold - Size 7 - | 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 7 - Smart Ring - Size First with Oura Ring 4 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days of Battery Life
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**Shop now:** [https://www.desertcart.pt/products/682589373-smart-ring-4-gold-size-7-non-standard-fit-measure](https://www.desertcart.pt/products/682589373-smart-ring-4-gold-size-7-non-standard-fit-measure)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-10-08*