---
product_id: 707667587
title: "Ring 4 - Gold - Size 8 | Smart Ring Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life"
brand: "oura"
price: "R$10884"
currency: BRL
in_stock: true
category: "Oura"
url: https://www.desertcart.com.br/products/707667587-ring-4-gold-size-8-smart-ring-sizing-kit-sleep
store_origin: BR
region: Brazil
---

# 8 days battery life 24/7 heart rate & sleep tracking 80 min wireless charge Ring 4 - Gold - Size 8 | Smart Ring Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life

**Brand:** oura
**Price:** R$10884
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Ring 4 - Gold - Size 8 | Smart Ring Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life by oura
- **How much does it cost?** R$10884 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/707667587-ring-4-gold-size-8-smart-ring-sizing-kit-sleep)

## 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

- • **Waterproof Confidence:** Dive into your day worry-free with 100m water resistance—fitness and style that never quits.
- • **Effortless All-Day Wear:** Sleek titanium design in radiant gold for a statement of subtle luxury and comfort.
- • **Seamless Smartphone Sync:** Bluetooth connectivity pairs instantly with iOS and Android for real-time health analytics at your fingertips.
- • **Next-Level Health Insights:** Track heart rate, sleep quality, stress, and activity with clinical-grade precision.
- • **Unplug Longer, Charge Faster:** Up to 8 days of battery life with quick 80-minute wireless charging—stay powered through your busiest weeks.

## Overview

The Oura Ring 4 in Gold is a premium smart ring crafted from titanium, designed for adults seeking discreet yet powerful health tracking. It monitors heart rate, sleep, stress, and activity with advanced sensors, offers up to 8 days of battery life with fast wireless charging, and syncs effortlessly via Bluetooth to iOS and Android devices. Water-resistant up to 100 meters, it combines luxury style with cutting-edge wellness technology.

## Description

Free delivery and returns on eligible orders. Buy Oura Ring 4 - Gold - Size 8 | Smart Ring Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life at desertcart UK.

## 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 | B0D9WVKXLK |
| Age Range Description | Adult |
| Band Colour | Gold |
| Band Material Type | Titanium |
| Battery Average Life | 8 days |
| Battery Capacity | 8 |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 80 minutes |
| Best Sellers Rank | 570 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 | Slip On |
| Colour | Gold |
| Communication Feature | Bluetooth |
| Compatible Devices | Smartphones, Tablets |
| Compatible Phone Models | Android, iOS |
| Connectivity Technology | Bluetooth |
| Controller Type | Ring |
| Customer Reviews | 4.2 4.2 out of 5 stars (7,196) |
| Display Type | No Display |
| GPS Geotagging Functionality | No GPS |
| Global Trade Identification Number | 06430060153288 |
| Human Interface Input | Buttons |
| Item Dimensions | 22 x 22 x 7 millimetres |
| Item Dimensions D x W x H | 22D x 22W x 7H millimetres |
| Item Weight | 0.18 Kilograms |
| Manufacturer | Oura |
| Metrics Measured | Heart Rate, Stress, Sleep Duration, Activity |
| Model Name | Oura Ring 4 - Gold - Size 8 |
| Model Number | JZ90-54216-08 |
| Operating System | Android |
| Product Features | Activity Tracker |
| Shape | Ring |
| Style Name | Modern |
| Supported Application | Phone |
| Supported Satellite Navigation System | GPS |
| Target Audience | Unisex Adults |
| Warranty Type | Lifetime |
| Water Resistance Depth | 100 Metres |
| Water Resistance Level | Water Resistant |
| Wearable Computer Type | Smart Ring |
| Wireless Compability | Bluetooth |

## Product Details

- **Battery capacity:** 8
- **Battery cell composition:** Lithium Polymer
- **Brand:** OURA
- **Connectivity technology:** Bluetooth
- **GPS:** No GPS
- **Model name:** Oura Ring 4 - Gold - Size 8
- **Operating system:** Android
- **Shape:** Ring
- **Special feature:** Activity Tracker
- **Wireless communication standard:** Bluetooth

## Images

![Ring 4 - Gold - Size 8 | Smart Ring Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life - Image 1](https://m.media-amazon.com/images/I/517ETSM2PPL.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 - Gold - Size 8 - Smart Ring - Size First with Oura Ring 4 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days of Battery Life
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**Shop now:** [https://www.desertcart.com.br/products/707667587-ring-4-gold-size-8-smart-ring-sizing-kit-sleep](https://www.desertcart.com.br/products/707667587-ring-4-gold-size-8-smart-ring-sizing-kit-sleep)

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-05-20*