How long should my ring work between charges?

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

How do I choose the right Oura Ring size?

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.

Oura Ring 4, Oura Ring 4 Charger, and USB-C Cable.

How do I see my Oura Ring metrics?

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.

Can I use more than one ring?

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.

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Ring 4 Smart Ring - Stealth - Size 11 | Sleep, Activity, Women’s Health, AI Advisor, Up to 8 Days of Battery Life, Size Before You Buy, Android & iOS Compatible

Product ID: 661244395

Details

Battery Capacity
22
Battery Cell Composition
Lithium
Brand
OURA
Connectivity Technology
Bluetooth
GPS
GPS Via
Model Name
Oura Ring 4 -

⌚8-day battery life

💧Waterproof IP68 rating

📊Tracks 50+ health metrics

R$5794

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Brazil.

Secure transaction

Description

💍 Own your health, invisibly powerful.

ADAPTIVE SMART SENSING - Oura Ring 4 learns your body to deliver hyper-accurate health insights 24/7.
EFFORTLESS ALL DAY WEAR - Sleek titanium design with no screen or vibrations means you forget it’s on—until compliments start.
EXTENDED BATTERY FREEDOM - Up to 8 days of uninterrupted tracking keeps you focused on living, not charging.
SEAMLESS MULTI RING STYLE - Switch between finishes in the app to match your mood or outfit—because health should be stylish.
HEALTH INVESTMENT WITH BENEFITS - HSA/FSA eligible and includes a free first month of Oura membership for personalized wellness guidance.

The Oura Ring 4 Stealth is a cutting-edge smart ring crafted from titanium, offering up to 8 days of battery life and waterproof IP68 durability. It tracks over 50 health metrics including sleep, heart rate, stress, and women’s health, powered by adaptive Smart Sensing technology. Compatible with iOS and Android, it supports multi-ring style changes via the app and is HSA/FSA eligible, making it a sleek, data-driven wellness companion for the modern professional.

Specifications

ASIN	B0D9WWHXHH
Additional Features	Smart Sensing
Age Range Description	Adult
Band Material Type	Titanium
Battery Average Life	5 days
Battery Capacity	22 milliamp_hours
Battery Cell Type	Lithium Polymer
Battery Charge Time	80 minutes
Best Sellers Rank	#260 in Electronics ( See Top 100 in Electronics ) #3 in Smart Rings #6 in Activity & Fitness Trackers
Brand	OURA
Built-In Media	Oura Ring 4, Oura Ring 4 Charger, USB Cable, Information Booklet, Quick Start Guide
Cellular Technology	Not Supported
Closure Type	Buckle
Color	Stealth
Communication Feature	Bluetooth
Compatible Devices	Smartphone
Compatible Phone Models	Compatible with iOS and Android devices
Connectivity Technology	Bluetooth
Controller Type	App-based
Customer Reviews	4.0 4.0 out of 5 stars (9,038)
Display Type	No Display
GPS Geotagging Functionality	GPS Via Smartphone
Human Interface Input	Unknown
Item Dimensions	0.98 x 0.98 x 0.31 inches
Item Weight	0.19 kg
Manufacturer	Oura
Metrics Measured	Body Temperature, Menstrual Cycle, Sleep Duration, Stress
Model Name	Oura Ring 4 - Stealth - Size 11
Model Number	JZ90-54218-11
Operating System	i_os, android
Shape	Round
Style Name	Metallic
Supported Application	Fitness Tracker, Sleep Monitor, Heart Rate Monitor, Pedometer, Multisport Tracker, Reminders, Calendar, Music Player, Messages, Social Media, Weather, Contacts, Photo Gallery, Find My Phone, Voice Assistant, Voice Control, Voice Record, Time Display, Phone, Video Record, Camera, Alarm, Blood Pressure Monitor, Elevation Tracker, Email, GPS
Supported Satellite Navigation System	GPS
Target Audience	Unisex Adults
Unit Count	1 Count
Warranty Description	1 Year Manufacturer
Warranty Type	Standard
Water Resistance Depth	100 meters
Water Resistance Level	Waterproof
Waterproof Rating	IP68
Wearable Computer Type	Smart Ring
Wireless Compability	Bluetooth
Wireless Provider	Unlocked

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

View all Trustpilot reviews

R$5794

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Brazil.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Zainab N.

Fantastic and great service. Shipping was faster than expected.

1 week ago

Pooja R.

The customer service exceeded my expectations. Perfect for buying products you can't find elsewhere.

1 week ago

View all Trustpilot reviews