---
product_id: 710570438
title: "Oura Ring 4 - Brushed Silver - Size 10 - Size Before You Buy"
brand: "oura"
price: "€ 1058.98"
currency: EUR
in_stock: true
reviews_count: 13
category: "Oura"
url: https://www.desertcart.es/products/710570438-oura-ring-4-brushed-silver-size-10-size-before-you
store_origin: ES
region: Spain
---

# 7-day battery life 5m water resistance Bluetooth seamless sync Oura Ring 4 - Brushed Silver - Size 10 - Size Before You Buy

**Brand:** oura
**Price:** € 1058.98
**Availability:** ✅ In Stock

## Summary

> 💍 Elevate your wellness game with the smartest ring you’ll ever wear.

## Quick Answers

- **What is this?** Oura Ring 4 - Brushed Silver - Size 10 - Size Before You Buy by oura
- **How much does it cost?** € 1058.98 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/710570438-oura-ring-4-brushed-silver-size-10-size-before-you)

## 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

- • **Stay Powered Longer:** Up to 7 days of battery life with quick 80-minute wireless charging—less downtime, more data.
- • **Deep Health Insights:** Track heart rate, sleep quality, and stress levels with clinical-grade precision.
- • **Effortless All-Day Wear:** Sleek titanium design ensures comfort and durability for your busiest days.
- • **Personalized Style & Fit:** Available in multiple finishes and sizes, including a sizing kit to guarantee the perfect fit.
- • **Seamless Smartphone Integration:** Instant Bluetooth syncing with iOS and Android for real-time health analytics.

## Overview

The Oura Ring 4 in brushed silver is a minimalist smart ring crafted from durable titanium, designed for adults seeking advanced health tracking without the bulk of a smartwatch. It monitors heart rate, sleep, activity, and stress with clinical accuracy, offers up to 7 days of battery life with fast wireless charging, and syncs effortlessly via Bluetooth to iOS and Android devices. Water resistant up to 5 meters and available in multiple sizes, it combines style, comfort, and cutting-edge biometric monitoring in a compact wearable.

## Description

From the manufacturer Size before you buy Easy to wear, everywhere No interruptions Built to last Accurate by design The Oura Ring 4 Sizing Kit is the best way to ensure an accurate experience. Sleek and comfortable, Oura Ring seamlessly fits into your life from a workout to a night out. Stay present without notifications on your wrist. Check the Oura App when you want to. Oura Ring 4 is fully titanium: one of the strongest metals on earth. Durable, lightweight, and water resistant. Oura Ring 4 delivers incredibly accurate data and personalised health insights to help you be at your best. Fully Titanium Oura Ring 4 is fully titanium: one of the strongest metals on earth. Durable, lightweight, water resistant. Fully Titanium Oura Ring 4 is fully titanium: one of the strongest metals on earth. Durable, lightweight, water resistant. Smart Sensing A first-of-its-kind sensing platform, Smart Sensing adapts to your unique finger, ensuring continuous, accurate data from over 30 biometrics - day and night. Smart Sensing A first-of-its-kind sensing platform, Smart Sensing adapts to your unique finger, ensuring continuous, accurate data from over 30 biometrics - day and night. Long battery life Up to 8 days of battery means you can track your health 24/7 without charging every night. Long battery life Up to 8 days of battery means you can track your health 24/7 without charging every night. Always Wearable Oura Ring 4 is more comfortable with a fully round interior with discreet, recessed sensors. It's water resistant and can withstand heat, and cold. Always Wearable Oura Ring 4 is more comfortable with a fully round interior with discreet, recessed sensors. It's water resistant and can withstand heat, and cold. Sleep Activity Readiness Stress Heart Health Women’s Health Wake up to in-depth sleep analysis, so you can improve your habits and transform how you feel. Whether running a marathon or running errands, Oura tracks your daily activity and workouts while helping you strike a balance between movement and recovery. Know when to push it and when to take it easy. Your Readiness Score tells you how energised you are using over 50 biometrics - it can even tell when you might be getting sick. Oura will help you identify signs of stress and understand how well your body handles it. You'll know when you need to incorporate more self-care practises and how to recover from long term stressors. From monitoring your daily heart rate and HRV to discovering your Cardiovascular Age and Cardio Capacity, Oura helps you take care of one of the key indicators of your overall health - your heart. Your cycle impacts your mood, sleep, activity and more, every day. Oura helps you understand how your cycle affects your body, so you can make better, informed decisions about your holistic health. Size Before You Buy Step 1 Purchase an Oura Ring 4 Sizing Kit and receive a £10 credit towards your Oura Ring. Step 2 Advanced health monitoring capabilities, including heart rate, sleep patterns, and activity tracking. Step 3 Slip on your Oura Ring 4 and download the Oura App. Step 4 New members get the first month of Oura Membership free, then it’s £5.99 per month. Oura Ring 4 What's in the Box Oura Ring 4 Charger and USB-C Cable

Review: Don’t know where I’d be without my Oura - Don’t know where I would be without my oura ring! It’s so interesting to know all the data about sleep, heart health etc. If you’re thinking about getting one, let this be the review that gets you one! Very, very convenient. I don’t wear my Apple Watch anymore as I’m a nurse and can’t wear watches. Would say that this is more accurate and better. Its tracks fitness, steps, sleep, women’s health etc. It also helped me conceive which I’m very grateful for. It is ‘bulky’ but you do get used to it! I often speak very highly of this product and got atleast 5 people to get one. I don't know where I’d be without my Oura ring
Review: Great item, very efficient at tracking - I love this ring, it does everything and more that you could ever want from a fitness tracker. It also works really well alongside your Apple Watch. I would highly recommend and it was sent to me within 24 hours.

## 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 | B0D9WVVS6W |
| Age Range Description | Adult |
| Band Colour | brushed silver |
| Band Material Type | Titanium |
| Battery Average Life | 7 days |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 80 minutes |
| Battery cell composition | Lithium Polymer |
| Best Sellers Rank | 692 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 | No Closure |
| Colour | Brushed Silver |
| Communication Feature | Bluetooth |
| Compatible Devices | Smartphone |
| Compatible Phone Models | Compatible with iOS and Android devices |
| Connectivity Technology | Bluetooth |
| Connectivity technology | Bluetooth |
| Controller Type | Ring |
| Country of Origin | Estonia |
| Customer Reviews | 4.2 out of 5 stars 7,262 Reviews |
| Display Type | No Display |
| GPS | No GPS |
| GPS Geotagging Functionality | No GPS |
| Human Interface Input | Buttons, Gesture |
| Item Dimensions | 24 x 24 x 8 millimetres |
| Item Dimensions D x W x H | 24D x 24W x 8H millimetres |
| Item Weight | 0.18 Kilograms |
| Manufacturer | Oura |
| Metrics Measured | Heart Rate Monitor, Sleep Duration, Stress Monitor |
| Model Name | Oura Ring 4 - Brushed Silver - Size 10 - Smart Ring | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life |
| Model Number | JZ90-54220-10 |
| Operating System | Android |
| Operating system | Android |
| Product Features | Activity Tracker |
| Shape | Round |
| Special feature | Activity Tracker |
| Style Name | Minimalist |
| Supported Application | Fitness Tracker |
| Supported Satellite Navigation System | GPS |
| Target Audience | Unisex Adults |
| Warranty Type | Limited |
| Water Resistance Depth | 5 Metres |
| Water Resistance Level | Water Resistant |
| Wearable Computer Type | Smart Ring |
| Wireless Compability | Bluetooth |
| Wireless communication standard | Bluetooth |

## Product Details

- **Battery cell composition:** Lithium Polymer
- **Brand:** OURA
- **Connectivity technology:** Bluetooth
- **GPS:** No GPS
- **Operating system:** Android
- **Shape:** Round
- **Special feature:** Activity Tracker
- **Style:** Minimalist
- **Wireless communication standard:** Bluetooth

## Images

![Oura Ring 4 - Brushed Silver - Size 10 - Size Before You Buy - Image 1](https://m.media-amazon.com/images/I/51yQA1CgzLL.jpg)
![Oura Ring 4 - Brushed Silver - Size 10 - Size Before You Buy - Image 2](https://m.media-amazon.com/images/I/51HTQ30KGVL.jpg)
![Oura Ring 4 - Brushed Silver - Size 10 - Size Before You Buy - Image 3](https://m.media-amazon.com/images/I/61XcjmDzf2L.jpg)
![Oura Ring 4 - Brushed Silver - Size 10 - Size Before You Buy - Image 4](https://m.media-amazon.com/images/I/71CZzCznHaL.jpg)
![Oura Ring 4 - Brushed Silver - Size 10 - Size Before You Buy - Image 5](https://m.media-amazon.com/images/I/61zUDFM6dbL.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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Don’t know where I’d be without my Oura
*by R***N on 12 May 2026*

Don’t know where I would be without my oura ring! It’s so interesting to know all the data about sleep, heart health etc. If you’re thinking about getting one, let this be the review that gets you one! Very, very convenient. I don’t wear my Apple Watch anymore as I’m a nurse and can’t wear watches. Would say that this is more accurate and better. Its tracks fitness, steps, sleep, women’s health etc. It also helped me conceive which I’m very grateful for. It is ‘bulky’ but you do get used to it! I often speak very highly of this product and got atleast 5 people to get one. I don't know where I’d be without my Oura ring

### ⭐⭐⭐⭐⭐ Great item, very efficient at tracking
*by L***N on 8 April 2026*

I love this ring, it does everything and more that you could ever want from a fitness tracker. It also works really well alongside your Apple Watch. I would highly recommend and it was sent to me within 24 hours.

### ⭐⭐⭐⭐⭐ So So Happy!
*by M***D on 18 October 2025*

I hesitated for a while before investing in this gadget. And I love my Gadgets! but after doing some homework on the competition, I decided to jump for it. First, the fit and metal colour are great, I couldn't be happier, the quality and durability is insane, i do everything with it, I rarely take it off. The connectivity to my Samsung Z Fold6 was flawless, no hiccups, plus, everything you open the app, it updates in no time. so great compatibility. Now, you need to give it time to gather data about you, of course... it will not happen overnight which is quite right, but the intel you get afterwards is great. Your body age, sleep quality, energy available, your stress, it is such a great little ring. it is a lot of money for such a small device but the value for money is worth it. I highly recommend it if you are curious and want to be nudge in the right direction for better health.

## Frequently Bought Together

- Oura Ring 4 - Brushed Silver - 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
- sylacor Ring Cover for Oura Ring Gen 4/ Gen 3, Anti-Scratch Elastic Silicone Oura Ring Case Protector for Men Women Working Out Gym
- Oura Ring 4 Charger - Size 10 - Charging Dock and USB-C Cable - Charges Oura Ring 4 up to 8 Days

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---

*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-05-24*