---
product_id: 734025512
title: "Oura Ring 4 - Stealth - Size 7 - Smart Ring - Unique Sizing, Not Standard US Ring Sizes - Size First - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days of Battery Life"
brand: "oura"
price: "A$4"
currency: AUD
in_stock: false
url: https://www.desertcart.com.au/products/734025512-oura-ring-4-stealth-size-7-smart-ring-unique-sizing
store_origin: AU
region: Australia
---

# Up to 8 days battery life Advanced sleep tracking Bluetooth wireless sync Oura Ring 4 - Stealth - Size 7 - Smart Ring - Unique Sizing, Not Standard US Ring Sizes - Size First - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days of Battery Life

**Brand:** oura
**Price:** A$4
**Availability:** ❌ Out of Stock

## Summary

> 💍 Track your health in stealth mode—because wellness should be smart and stylish.

## Quick Answers

- **What is this?** Oura Ring 4 - Stealth - Size 7 - Smart Ring - Unique Sizing, Not Standard US Ring Sizes - Size First - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days of Battery Life by oura
- **How much does it cost?** A$4 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/734025512-oura-ring-4-stealth-size-7-smart-ring-unique-sizing)

## 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 Smartphone Sync:** Bluetooth connectivity ensures your health stats are always at your fingertips, anytime, anywhere.
- • **Effortless All-Week Power:** Stay unplugged with up to 8 days of battery life—track your health without interruption.
- • **Next-Level Sleep Insights:** Unlock deep, personalized sleep data that helps you optimize rest and recovery like a pro.
- • **Precision Fit, Unique Sizing:** Custom sizing system guarantees a perfect fit, making comfort and accuracy your new standard.
- • **Discreet & Stylish Stealth Design:** Minimalist black ring that blends tech with elegance—wear wellness without compromise.

## Overview

The Oura Ring 4 Stealth is a cutting-edge smart ring designed for millennial professionals who demand precise sleep and fitness tracking with up to 8 days of battery life. Featuring Bluetooth wireless syncing and a unique sizing system, it offers a sleek, minimalist design that fits comfortably while delivering advanced biometric insights to optimize your health and performance.

## Description

Full description not available

## Features

- Sleep Monitor

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | OURA |
| Manufacturer | Oura |
| Model | JZ90-54218-07 |
| Model Name | Oura Ring 4 |
| Product Dimensions | 2.8 x 2.8 x 0.8 cm; 181 g |
| Batteries | 1 Lithium Polymer batteries required. (included) |
| Item model number | JZ90-54218-07 |
| Compatible Devices | Smartphone |
| Special Features | Sleep Monitor |
| Mounting Hardware | Oura Ring 4, Oura Ring 4 Charger, USB Cable, Information Booklet, Quick Start Guide |
| Number of items | 1 |
| Display Type | No Display |
| Batteries Included | Yes |
| Batteries Required | Yes |
| Battery cell composition | Lithium Polymer |
| Wireless Type | Bluetooth |
| Connector Type | Bluetooth |
| Device interface - primary | Unknown |
| Includes Rechargeable Battery | Yes |
| Manufacturer | Oura |
| Item Weight | 181 g |

## Product Details

- **Special Feature:** Sleep Monitor
- **Connectivity Technology:** Bluetooth
- **Wireless Communication Standard:** Bluetooth
- **Battery Cell Composition:** Lithium Polymer
- **GPS:** No GPS

## Images

![Oura Ring 4 - Stealth - Size 7 - Smart Ring - Unique Sizing, Not Standard US Ring Sizes - Size First - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days of Battery Life - Image 1](https://m.media-amazon.com/images/I/51-7ivDG+6L.jpg)
![Oura Ring 4 - Stealth - Size 7 - Smart Ring - Unique Sizing, Not Standard US Ring Sizes - Size First - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days of Battery Life - Image 2](https://m.media-amazon.com/images/I/51IDrh-0YEL.jpg)
![Oura Ring 4 - Stealth - Size 7 - Smart Ring - Unique Sizing, Not Standard US Ring Sizes - Size First - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days of Battery Life - Image 3](https://m.media-amazon.com/images/I/71l8InHaa7L.jpg)
![Oura Ring 4 - Stealth - Size 7 - Smart Ring - Unique Sizing, Not Standard US Ring Sizes - Size First - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days of Battery Life - Image 4](https://m.media-amazon.com/images/I/713l574H8CL.jpg)
![Oura Ring 4 - Stealth - Size 7 - Smart Ring - Unique Sizing, Not Standard US Ring Sizes - Size First - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days of Battery Life - Image 5](https://m.media-amazon.com/images/I/71H17unV-KL.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 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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.au/products/734025512-oura-ring-4-stealth-size-7-smart-ring-unique-sizing](https://www.desertcart.com.au/products/734025512-oura-ring-4-stealth-size-7-smart-ring-unique-sizing)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-21*