---
product_id: 703964909
title: "Ring 4 - Stealth - Size 10 - Smart Ring | Size First Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life"
brand: "oura"
price: "€ 1103.40"
currency: EUR
in_stock: true
url: https://www.desertcart.es/products/703964909-ring-4-stealth-size-10-smart-ring-size-first-ring
store_origin: ES
region: Spain
---

# Up to 8 days battery life Advanced heart rate & sleep tracking Seamless smartphone app integration Ring 4 - Stealth - Size 10 - Smart Ring | Size First Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life

**Brand:** oura
**Price:** € 1103.40
**Availability:** ✅ In Stock

## Summary

> 💍 Own your wellness journey with the sleek OURA Ring 4

## Quick Answers

- **What is this?** Ring 4 - Stealth - Size 10 - Smart Ring | Size First Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life by oura
- **How much does it cost?** € 1103.40 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/703964909-ring-4-stealth-size-10-smart-ring-size-first-ring)

## 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

- • **Heart Smart:** Continuous heart rate monitoring for real-time health insights
- • **Power Through:** Up to 8 days of battery life with effortless wireless charging
- • **Your Health HQ:** Intuitive app sync delivers personalized analytics at your fingertips
- • **Know Your Night:** Precision sleep tracking to optimize your rest and recovery
- • **Wear It, Forget It:** Ultra-compact stealth design for all-day comfort and style

## Overview

The OURA Ring 4 Stealth is a cutting-edge smart ring designed for professionals who demand both style and substance. It offers advanced biometric monitoring including heart rate, sleep, and activity tracking, all packed into a compact, comfortable design. With up to 8 days of battery life and seamless smartphone integration, it empowers you to optimize your health effortlessly while making a subtle yet powerful statement.

## Description

Ring 4 - Stealth - Size 10 - Smart Ring | Size First Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life

## 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

## Product Details

- **Operating system:** Android
- **Special feature:** Advanced Health Tracking (Over 30 Biometrics)
- **Battery capacity:** 18
- **Connectivity technology:** Bluetooth
- **Wireless communication standard:** Bluetooth
- **Battery cell composition:** Lithium Polymer
- **GPS:** No GPS
- **Shape:** Round
- **Brand:** OURA
- **Style:** Minimalist

## Images

![Ring 4 - Stealth - Size 10 - Smart Ring | Size First Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life - Image 1](https://m.media-amazon.com/images/I/51NatpBotdL.jpg)
![Ring 4 - Stealth - Size 10 - Smart Ring | Size First Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life - Image 2](https://m.media-amazon.com/images/I/51GryhzriFL.jpg)
![Ring 4 - Stealth - Size 10 - Smart Ring | Size First Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life - Image 3](https://m.media-amazon.com/images/I/71EiYyz2UNL.jpg)
![Ring 4 - Stealth - Size 10 - Smart Ring | Size First Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life - Image 4](https://m.media-amazon.com/images/I/613EYvr-lAL.jpg)
![Ring 4 - Stealth - Size 10 - Smart Ring | Size First Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life - Image 5](https://m.media-amazon.com/images/I/61hE2tAIk5L.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 - Stealth - Size 10 - Smart Ring - Size First with Oura Ring 4 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days of Battery Life
- Oura Ring 4 Charger - Size 10 - Charging Dock and USB-C Cable - Charges Oura Ring 4 up to 8 Days
- 10 Pack Ring Cover Compatible with Oura Ring Gen 4/Oura Ring Gen 3 Horizon/Gen 3 Heritage, Surport Charging with Cover on, Anti-Scratch Elastic Silicone Ring Protector for Men Women Working Out Gym

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**Shop now:** [https://www.desertcart.es/products/703964909-ring-4-stealth-size-10-smart-ring-size-first-ring](https://www.desertcart.es/products/703964909-ring-4-stealth-size-10-smart-ring-size-first-ring)

---

*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-01-23*