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

💧100m water resistant

🔋80 min fast USB-C charge

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Description

💍 Own your health in stealth mode — smarter, sleeker, stronger.

ALL DAY POWER NO PAUSE - Enjoy a full 8 days of uninterrupted health tracking with rapid 80-minute USB-C charging—because your life doesn’t wait.
WATERPROOF FOR YOUR ACTIVE LIFE - Dive into your day worry-free with 100 meters of water resistance—whether it’s a workout or a weekend getaway.
DEEP HEALTH INSIGHTS EFFORTLESS - Track heart rate, sleep quality, activity, and stress with precision sensors and an intuitive app that turns data into actionable wellness.
TAILORED FIT PERSONALIZED STYLE - Non-standard sizes with a sizing kit ensure a perfect fit, making this smart ring your discreet yet powerful wellness companion.
SLEEK STEALTH MEETS TITANIUM STRENGTH - Crafted from durable titanium in a minimalist stealth finish, this ring blends seamlessly with your style while standing up to daily wear.

The Oura Smart Ring 4 in Stealth is a titanium-crafted wearable designed for professionals seeking discreet yet powerful health monitoring. It offers 8-day battery life with fast USB-C charging, tracks heart rate, sleep, activity, and stress, and is water resistant up to 100 meters. Compatible with iOS and Android, it integrates seamlessly with a user-friendly app for deep wellness insights, all wrapped in a minimalist, stylish design with a perfect fit guaranteed by a sizing kit.

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
Battery cell composition	Lithium Polymer
Best Sellers Rank	442 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
Connectivity technology	Bluetooth, USB
Controller Type	Gesture Recognition
Country of Origin	Estonia
Customer Reviews	4.3 out of 5 stars 8,663 Reviews
Display Type	Without display
GPS	No GPS
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
Operating system	Android
Product Features	Sleep Monitor
Product Warranty	3 year manufacturer warranty
Shape	Rund
Special feature	Sleep Monitor
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
Wireless communication standard	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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

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B/.1066

Duties & taxes included

In stock

Sold byAmazon PanamaDelivered 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 Panama.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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