---
product_id: 661244332
title: "Oura Ring 4 - Black - Size 11 - Size Before You Buy"
brand: "oura"
price: "$19697"
currency: MXN
in_stock: true
url: https://www.desertcart.mx/products/661244332-oura-ring-4-black-size-11-size-before-you-buy
store_origin: MX
region: Mexico
---

# 8 days battery life Water resistant titanium build Tracks 50+ health metrics Oura Ring 4 - Black - Size 11 - Size Before You Buy

**Brand:** oura
**Price:** $19697
**Availability:** ✅ In Stock

## Summary

> 💍 Elevate your health game with the ring that knows you best.

## Quick Answers

- **What is this?** Oura Ring 4 - Black - Size 11 - Size Before You Buy by oura
- **How much does it cost?** $19697 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/661244332-oura-ring-4-black-size-11-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

- • **Seamless App Sync:** Integrates effortlessly with 40+ apps like Apple Health & Strava for holistic wellness.
- • **Smart Sensing Tech:** Adaptive tracking that learns your body for ultra-accurate health insights.
- • **Long-Lasting Freedom:** Up to 8 days battery life means less charging, more living.
- • **Precision Sizing Kit:** Get the perfect fit before you buy—no guesswork, just comfort.
- • **All-Titanium Durability:** Sleek, lightweight, and built to last with a skin-friendly finish.

## Overview

The Oura Ring 4 is a sleek, all-titanium smart ring designed for 24/7 wear, offering adaptive Smart Sensing technology that tracks over 50 health metrics including sleep, activity, and stress. With up to 8 days of battery life, water resistance, and seamless integration with popular health apps, it delivers precise, continuous insights in a stylish, durable form factor. Size yourself with the included sizing kit for the perfect fit, and enjoy the first month of Oura membership free.

## Description

Introducing Oura Ring 4: the latest evolution of the revolutionary smart ring. Oura Ring 4 brings you closer to what matters most — your health. The updated all-titanium design is powered by Smart Sensing, a new sensing platform that doesn’t just measure your biometrics, it adapts to you, providing insights into over 50 health metrics including sleep, readiness, activity, heart health, stress, metabolic health, and women’s health. Oura Ring quietly and comfortably monitors your health and with 5 to 8 days of battery life — you can forget it’s even on. With multi-ring support, change Oura Ring 4 styles as easily as changing your outfit. If you have two or more Oura Ring 4 styles, you can now switch easily between different finishes in the Oura App. Sleeker, smarter and more accurate than ever, Oura Ring 4 is made for you. Oura Ring is FSA/HSA Eligible — we can accept FSA or HSA funds for the following: Oura Ring, additional chargers, and shipping. IMPORTANT: Size yourself with the Oura Ring Sizing Kit before you buy — Oura Rings are not US standard sizing, and finding the right size will result in the best experience possible. With a sizing kit purchase, a credit will automatically be applied to your Oura Ring at checkout.

## Features

- SIZE BEFORE YOU BUY - Oura Ring 4 sizes are different from standard ring sizes. Size yourself with the Oura Ring 4 Sizing Kit. For additional details, see “From the manufacturer” section below
- OURA MEMBERSHIP - First month of membership is included with purchase, for new members only. Subscription is 5.99/mo afterwards. Or opt for the annual prepaid option for 69.99. Membership is tied to your account via the Oura App, not your physical ring
- ACCURACY - SMART SENSING - Oura tracks over 50 health metrics, including sleep, activity, stress, heart health, and women’s health metrics. Oura Ring 4 is powered by Smart Sensing, which adapts to you — delivering accurate, continuous data, day and night
- LONG LASTING BATTERY - With up to 8 days of battery life, no screens and no vibrations, Oura Ring 4 allows you to focus on the present. From a workout to a night out — you’re free to forget it’s on. Until you start getting compliments.
- HSA/FSA ELIGIBLE - We can accept HSA or FSA funds for the following: Oura Ring, additional chargers, and shipping.
- DESIGNED FOR 24/7 WEAR - The updated design of the Oura Ring 4 is more comfortable, fits better than ever, and is water resistant. The first all-titanium smart ring combines exceptional durability with a gentle touch, even for sensitive skin.
- SYNC WITH YOUR FAVORITE APPS - Compatible with iOS and Android — Oura seamlessly integrates with over 40 apps including Apple Health, Google Health Connect, Natural Cycles, Flo, Strava, & more.
- LOOKING FOR THE BEST HEALTH TRACKER? - Whether you’re searching for a sleep ring or fitness ring, Oura Ring 4 is for you — this revolutionary smart ring that allows you to discreetly track your sleep, activity, recovery and stress — in style.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Compatible Devices | Smartphone |
| Battery Cell Type | Lithium Polymer |
| Color | Black |
| Supported Application | Fitness Tracker |
| Controller Type | Ring |
| Water Resistance Level | Water Resistant |

## Product Details

- **Special Feature:** Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight
- **Connectivity Technology:** Bluetooth
- **Wireless Communication Standard:** Bluetooth
- **Battery Cell Composition:** Lithium Polymer
- **GPS:** GPS Via Smartphone
- **Shape:** Round
- **Brand:** OURA
- **Model Name:** JZ90-54144-11
- **Style:** Minimalist
- **Color:** Black

## Images

![Oura Ring 4 - Black - Size 11 - Size Before You Buy - Image 1](https://m.media-amazon.com/images/I/51nCNxSwfYL.jpg)
![Oura Ring 4 - Black - Size 11 - Size Before You Buy - Image 2](https://m.media-amazon.com/images/I/51QDuTKnNyL.jpg)
![Oura Ring 4 - Black - Size 11 - Size Before You Buy - Image 3](https://m.media-amazon.com/images/I/71DVlVFg1RL.jpg)
![Oura Ring 4 - Black - Size 11 - Size Before You Buy - Image 4](https://m.media-amazon.com/images/I/713l574H8CL.jpg)
![Oura Ring 4 - Black - Size 11 - Size Before You Buy - Image 5](https://m.media-amazon.com/images/I/71NT8fo7vNL.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 - Black - Size 11 - Smart Ring - Size First with Oura Ring 4 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days of Battery Life
- 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.mx/products/661244332-oura-ring-4-black-size-11-size-before-you-buy](https://www.desertcart.mx/products/661244332-oura-ring-4-black-size-11-size-before-you-buy)

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*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-02-01*