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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Oura Smart Ring 4 - Stealth - Size 12 - | Non-Standard Fit – Measure with a Size Kit |Sleep, Heart Rate and Fitness Tracking Wearable | 8-Day Battery, iOS / Android Compatible

Oura Smart Ring 4 - Stealth - Size 12 - | Non-Standard Fit – Measure with a Size Kit |Sleep, Heart Rate and Fitness Tracking Wearable | 8-Day Battery, iOS / Android Compatible

Product ID: 722783734

Details

Battery cell composition
Lithium
Brand
OURA
Connectivity technology
Bluetooth USB
GPS
No GPS
Model name
Oura Ring 4 -
Operating system
Android

⌚8-day battery life

💓Continuous heart rate monitoring

💤Advanced sleep tracking

₩800904

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Description

💍 Own your health, stealthily and stylishly.

SLEEP LIKE A PRO - Deep dive into your nightly rest with precision sleep stage analysis that helps optimize recovery and performance.
SEAMLESS SMART SYNC - Effortlessly connect to iOS and Android devices for detailed health insights and personalized activity analytics.
ALL DAY POWER NO PAUSE - Up to 8 days of uninterrupted battery life with fast 80-minute wireless charging keeps you ahead without downtime.
SLEEK TITANIUM MINIMALISM - Durable, lightweight titanium design in stealth black offers a discreet yet sophisticated look for every occasion.
HEART HEALTH ON YOUR FINGER - Real-time heart rate and stress monitoring empower smarter wellness decisions anytime, anywhere.

The Oura Smart Ring 4 in Stealth is a cutting-edge wearable crafted from titanium, designed for continuous health monitoring including heart rate, sleep, and activity tracking. With an impressive 8-day battery life and fast wireless charging, it integrates seamlessly with iOS and Android devices to deliver detailed wellness insights in a sleek, minimalist form factor. Water-resistant up to 100 meters and backed by a 3-year warranty, it’s the ultimate smart ring for professionals who demand both style and substance.

Specifications

ASIN	B0D9WVW5XB
Age Range Description	Adult
Band Material Type	Titanium
Battery Average Life	8 days
Battery Cell Type	Lithium Polymer
Battery Charge Time	80 minutes
Best Sellers Rank	564 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
Clasp Type	No Clasp (Fixed Size)
Closure Type	Buckle
Colour	Stealth
Communication Feature	Bluetooth
Compatible Devices	Smartphone
Compatible Phone Models	Compatible with iOS and Android devices
Connectivity Technology	Bluetooth, USB
Controller Type	Gesture Recognition
Country of Origin	Estonia
Customer Reviews	4.2 4.2 out of 5 stars (8,769)
Display Type	Without display
GPS Geotagging Functionality	No GPS
Global Trade Identification Number	06430060153561
Human Interface Input	Buttons
Item Dimensions	26 x 26 x 8 millimetres
Item Dimensions D x W x H	8D x 26W x 8H millimetres
Item Weight	0.18 Kilograms
Manufacturer	Oura
Metrics Measured	Heart Rate Monitor, Sleep Duration, Distance, Step Count, Calories Burned, Stress
Model Name	Oura Ring 4 - Stealth - Size 12
Model Number	JZ90-54218-12
Operating System	Android
Product Features	Sleep Monitor
Product Warranty	3 year manufacturer warranty
Shape	Rund
Style Name	Minimalist
Supported Application	Fitness Tracker
Supported Satellite Navigation System	GPS
Target Audience	Uni-Erwachsene
Warranty Type	Lifetime
Water Resistance Depth	100 Metres
Water Resistance Level	Water Resistant
Wearable Computer Type	Smart Ring
Wireless Compability	Bluetooth

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.

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₩800904

Duties & taxes included

In stock

Sold byAmazon South KoreaDelivered 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 South Korea.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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