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 | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life

Product ID: 718989678

Details

Battery cell composition
Lithium
Connectivity technology
Bluetooth USB
Operating system
Android
Special features
Activity
Wireless communication standard
Bluetooth

⌚8 days battery life

💤30+ biometric sleep & health metrics

💧Water-resistant titanium design

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5351 kr

Duties & taxes included

In stock

Sold byAmazon DenmarkDelivered 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 Denmark.

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Description

💍 Elevate your wellness game—wear the future on your finger.

UNPLUG GO - Up to 8 days of battery life means freedom from constant charging and distractions.
DURABLE MEETS DISCREET - All-titanium, water-resistant design built for 24/7 wear—comfort and resilience in one sleek ring.
SIZE BEFORE YOU COMMIT - Get the perfect fit with the Oura Ring 4 Sizing Kit—no guesswork, just precision.
EXCLUSIVE OURA MEMBERSHIP - Enjoy your first month free and unlock personalized insights with the Oura app community.
SMART SENSING SMARTER YOU - Track 30+ biometrics including heart rate, sleep, stress, and women’s health with adaptive accuracy.

The Oura Ring 4 is a minimalist, all-titanium smart ring designed for continuous 24/7 wear. It tracks over 30 health metrics including sleep, heart rate, and stress with adaptive Smart Sensing technology. Featuring up to 8 days of battery life and water resistance, it offers a seamless blend of durability and comfort. The purchase includes a sizing kit for a perfect fit and a free first month of Oura membership for personalized health insights.

Specifications

ASIN	B0D9WVW5XB
Additional Features	Activity Tracker
Age Range Description	Adult
Band Color	Stealth
Band Material Type	Titanium
Battery Average Life	8 days
Battery Cell Type	Lithium Polymer
Battery Charge Time	80 minutes
Best Sellers Rank	#97 in Electronics ( See Top 100 in Electronics ) #1 in Wearable Tech Rings
Brand	OURA
Built-In Media	Information Booklet, Oura Ring 4, Oura Ring 4 Charger, Quick Start Guide, USB-C Cable
Case Material Type	Titanium
Closure Type	Continuous Band
Color	Stealth
Communication Feature	Bluetooth
Compatible Devices	Smartphone, Tablet
Compatible Phone Models	Compatible with iOS and Android devices
Connectivity Technology	Bluetooth, USB
Country of Origin	Estonia
Customer Reviews	4.1 4.1 out of 5 stars (7,347)
Display Type	No Display
GPS Geotagging Functionality	No GPS
Global Trade Identification Number	06430060153561
Human Interface Input	Buttons
Item Dimensions	26 x 26 x 8 millimeters
Item Dimensions D x W x H	26D x 26W x 8H millimeters
Item Weight	0.18 Kilograms
Manufacturer	Oura
Metrics Measured	Blood Oxygen (SpO2), Heart Rate, Sleep Duration, Stress
Model Name	Oura Ring 4 - Stealth - Size 12
Model Number	JZ90-54218-12
Operating System	Android
Shape	Round
Style Name	Minimalist
Supported Application	Fitness Tracker
Supported Satellite Navigation System	GPS
Target Audience	Unisex Adults
Warranty Description	2 year manufacturer warranty
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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Great price for an authentic product. Fast international shipping too!

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Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

5351 kr

Duties & taxes included

In stock

Sold byAmazon DenmarkDelivered 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 Denmark.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Good experience, but the tracking updates could be better.

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