---
product_id: 698086828
title: "Oura Ring 4 - Stealth - Size 7 - Size Before You Buy"
brand: "oura"
price: "€ 438.62"
currency: EUR
in_stock: true
category: "Oura"
url: https://www.desertcart.pt/products/698086828-oura-ring-4-stealth-size-7-size-before-you-buy
store_origin: PT
region: Portugal
---

# 8-day battery life Water resistant IP68 80 min wireless charge Oura Ring 4 - Stealth - Size 7 - Size Before You Buy

**Brand:** oura
**Price:** € 438.62
**Availability:** ✅ In Stock

## Summary

> 💍 Own your health, invisibly powerful.

## Quick Answers

- **What is this?** Oura Ring 4 - Stealth - Size 7 - Size Before You Buy by oura
- **How much does it cost?** € 438.62 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/698086828-oura-ring-4-stealth-size-7-size-before-you-buy)

## 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

- • **All-day power, no pause:** Up to 8 days of uninterrupted battery life keeps you connected and tracking without the hassle of daily charging.
- • **Seamless smartphone sync:** Effortlessly integrates with iOS and Android apps for detailed analytics and real-time health tracking.
- • **Built for life’s moments:** Waterproof up to 328 feet (IP68), durable for workouts, showers, and all your adventures.
- • **Sleek stealth titanium design:** Modern, lightweight titanium ring that blends cutting-edge tech with minimalist style for everyday wear.
- • **Deep health insights at your fingertips:** Advanced sensors monitor heart rate, sleep quality, activity, and women’s health with AI-driven personalized guidance.

## Overview

The Oura Ring 4 Stealth is a sleek, titanium smart ring designed for adults seeking advanced health monitoring with up to 8 days of battery life. It tracks heart rate, sleep, activity, and women’s health metrics, syncing seamlessly with iOS and Android devices. Water resistant to IP68 standards and wirelessly rechargeable in 80 minutes, it combines minimalist style with powerful wellness insights.

## Description

Oura Ring 4 - Stealth - Size 7 - Size Before You Buy | Sleep, Activity, Women’s Health, AI Advisor, Up to 8 Days of Battery Life, Size Before You Buy, Android & iOS Compatible : desertcart.co.uk: Fashion

## 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 | B0D9WVTHPV |
| Age Range Description | Adult |
| Band Colour | Stealth |
| Band Material Type | Titanium |
| Battery Average Life | 8 days |
| Battery Capacity | 800 |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 80 minutes |
| Battery capacity | 800 |
| Battery cell composition | Lithium Polymer |
| Best Sellers Rank | 59,008 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 135 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 | Continuous |
| Colour | Stealth |
| Communication Feature | Bluetooth |
| Compatible Devices | Smartphone, Tablet |
| Compatible Phone Models | All current iPhone models, all current Android models |
| Connectivity Technology | Bluetooth |
| Connectivity technology | Bluetooth |
| Controller Type | App-based |
| Customer Reviews | 4.2 out of 5 stars 51 Reviews |
| Display Type | No Display |
| GPS Geotagging Functionality | No GPS |
| Human Interface Input | Unknown |
| Item Dimensions | 28 x 28 x 8 millimetres |
| Item Dimensions D x W x H | 28D x 28W x 8H millimetres |
| Item Weight | 0.19 Kilograms |
| Manufacturer | Oura |
| Metrics Measured | Heart Rate Monitor and Sleep Duration |
| Model Name | Oura Ring 4 - Stealth - Size 7 |
| Model Number | JZ90-54218-07 |
| Operating System | Android |
| Operating system | Android |
| Product Features | Activity Tracker |
| Product Warranty | 3 year manufacturer warranty |
| Shape | Ring |
| Special feature | Activity Tracker |
| Sport Type | Multi-Sports |
| Style Name | Modern |
| Supported Application | Fitness Tracker |
| Supported Satellite Navigation System | GPS |
| Target Audience | Unisex Adults |
| Warranty Type | Lifetime |
| Water Resistance Depth | 328 Feet |
| Water Resistance Level | Water Resistant |
| Waterproof Rating | IP68 |
| Wearable Computer Type | Smart Ring |
| Wireless Compability | Bluetooth |
| Wireless communication standard | Bluetooth |

## Product Details

- **Battery capacity:** 800
- **Battery cell composition:** Lithium Polymer
- **Brand:** OURA
- **Connectivity technology:** Bluetooth
- **GPS:** No GPS
- **Model name:** Oura Ring 4 - Stealth - Size 7
- **Operating system:** Android
- **Shape:** Ring
- **Special feature:** Activity Tracker
- **Wireless communication standard:** Bluetooth

## Images

![Oura Ring 4 - Stealth - Size 7 - Size Before You Buy - Image 1](https://m.media-amazon.com/images/I/51NatpBotdL.jpg)

## Available Options

This product comes in different **Color, Size, Style** 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 - Stealth - 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
- sylacor Ring Cover for Oura Ring Gen 4/ Gen 3, Anti-Scratch Elastic Silicone Oura Ring Case Protector for Men Women Working Out Gym

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**Shop now:** [https://www.desertcart.pt/products/698086828-oura-ring-4-stealth-size-7-size-before-you-buy](https://www.desertcart.pt/products/698086828-oura-ring-4-stealth-size-7-size-before-you-buy)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-09-24*