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 Ring 4 Smart Ring - Stealth - Size 12 | Sleep, Activity, Women’s Health, AI Advisor, Up to 8 Days of Battery Life, Size Before You Buy, Android & iOS Compatible

OURA Ring 4 Smart Ring - Stealth - Size 12 | Sleep, Activity, Women’s Health, AI Advisor, Up to 8 Days of Battery Life, Size Before You Buy, Android & iOS Compatible

Product ID: 661846097

Details

Battery Cell Composition
Lithium
Brand
OURA
Connectivity Technology
Bluetooth
GPS
GPS Via
Model Name
Oura Ring 4 -
Operating System
Android iOS

💧100m water resistant

📊50+ health metrics tracked

⏱️8 days battery life

€ 684.29

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In stock

Sold byAmazon FinlandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

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Description

💍 Own your health, silently and stylishly.

ADAPTIVE SMART SENSING - AI-powered insights that evolve with your body for unmatched accuracy.
TAILORED FIT GUARANTEE - Unique sizing kit ensures your Oura Ring fits perfectly before you buy—comfort meets precision.
EFFORTLESS ALL DAY WEAR - Sleek titanium design with no screen or vibrations—wear it, forget it, and still stay ahead.
HEALTH MEETS CONVENIENCE - Track sleep, activity, stress, and women’s health with one discreet, water-resistant device.
SEAMLESS MULTI RING STYLE - Switch between finishes via the app to match your vibe and mood effortlessly.

The Oura Ring 4 Stealth is a cutting-edge smart ring crafted from titanium, designed for professionals who demand precision and style. It tracks over 50 health metrics including sleep, activity, stress, and women’s health, powered by adaptive Smart Sensing technology. With up to 8 days of battery life, 100m water resistance, and seamless Android/iOS compatibility, it offers a discreet yet powerful health monitoring experience. The unique sizing kit ensures a perfect fit, while multi-ring support lets you switch styles via the app, making it the ultimate wearable for the health-conscious millennial on the go.

Specifications

ASIN	B0D9WVW5XB
Additional Features	Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight
Age Range Description	Adult
Band Material Type	Titanium
Battery Average Life	5 days
Battery Cell Type	Lithium Polymer
Battery Charge Time	80 minutes
Best Sellers Rank	#243 in Electronics ( See Top 100 in Electronics ) #2 in Smart Rings #8 in Activity & Fitness Trackers
Brand	OURA
Built-In Media	Oura Ring 4, Oura Ring 4 Charger, USB Cable, Information Booklet, Quick Start Guide
Clasp Type	No Clasp (Fixed Size)
Color	Stealth
Communication Feature	Bluetooth
Compatible Devices	Smartphone
Compatible Phone Models	Android Devices, iOS Devices
Connectivity Technology	Bluetooth
Controller Type	Gesture Recognition
Customer Reviews	4.0 4.0 out of 5 stars (8,965)
Display Type	No Display
GPS Geotagging Functionality	GPS Via Smartphone
Global Trade Identification Number	06430060153561
Human Interface Input	Buttons
Item Dimensions	1.02 x 1.02 x 0.31 inches
Item Dimensions D x W x H	0.31"D x 1.02"W x 0.31"H
Item Weight	0.18 kg
Manufacturer	Oura
Metrics Measured	Body Temperature, Menstrual Cycle, Sleep Duration, Stress
Model Name	Oura Ring 4 - Stealth - Size 12
Model Number	JZ90-54218-12
Operating System	Android, iOS
Shape	Round
Style Name	Metallic
Supported Application	Fitness Tracker
Supported Satellite Navigation System	GPS
Target Audience	Unisex Adults
Warranty Description	1 Year Manufacturer
Warranty Type	Limited
Water Resistance Depth	100 meters
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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€ 684.29

Duties & taxes included

In stock

Sold byAmazon FinlandDelivered 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 Finland.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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