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 - Silver - Size 7 | Sleep, Activity, Women’s Health, AI Advisor, Up to 8 Days of Battery Life, Size Before You Buy, Android & iOS Compatible

Product ID: 661766709

Details

Battery Capacity
16
Battery Cell Composition
Lithium
Brand
OURA
Connectivity Technology
Bluetooth
GPS
GPS Via
Memory Storage Capacity
4 GB

💧100m water resistant

🔬50+ health metrics tracked

⏱️8-day battery life

€ 676.52

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In stock

Sold byAmazon GreeceDelivered 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 Greece.

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Description

💍 Track your health in style—because your wellness deserves a smart upgrade.

PERSONALIZED FIT STYLE - Unique sizing kit ensures perfect fit; multi-ring support lets you switch styles as easily as your outfit.
SEAMLESS APP INTEGRATION - Syncs effortlessly with 40+ apps including Apple Health, Google Health, Strava, and more for a holistic wellness ecosystem.
SLEEK TITANIUM DURABILITY - All-titanium design offers premium comfort and resilience, perfect for 24/7 wear—even in water up to 100 meters.
UNMATCHED BATTERY FREEDOM - Up to 8 days of uninterrupted tracking means you stay focused on life, not charging.
EFFORTLESS ALL DAY HEALTH INSIGHT - Smart Sensing adapts to your body, delivering precise data on sleep, stress, heart, and women’s health metrics—over 50 in total.

The Oura Ring 4 is a cutting-edge smart ring crafted from durable titanium, designed for continuous 24/7 health monitoring. It tracks over 50 biometric metrics including sleep, activity, stress, and women’s health, powered by adaptive Smart Sensing technology. With up to 8 days of battery life, water resistance up to 100 meters, and seamless integration with major health apps, it offers a discreet yet powerful wellness companion tailored for the modern professional.

Specifications

ASIN	B0D9WW6RPJ
Additional Features	Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight
Age Range Description	Adult
Band Color	Silver
Band Material Type	Stainless Steel
Battery Average Life	5 days
Battery Capacity	16
Battery Cell Type	Lithium Polymer
Battery Charge Time	80 minutes
Best Sellers Rank	#273 in Electronics ( See Top 100 in Electronics ) #3 in Smart Rings
Brand	OURA
Built-In Media	Oura Ring 4, Oura Ring 4 Charger, USB Cable, Information Booklet, Quick Start Guide
Case Material Type	Titanium
Closure Type	Slip On
Color	Silver
Communication Feature	Bluetooth® Low Energy
Compatible Devices	Smartphone
Compatible Phone Models	Compatible with iOS and Android devices
Connectivity Technology	Bluetooth
Controller Type	Ring
Customer Reviews	4.0 4.0 out of 5 stars (9,193)
Display Type	No Display
GPS Geotagging Functionality	GPS Via Smartphone
Human Interface Input	Buttons
Item Dimensions	0.94 x 0.94 x 0.28 inches
Item Dimensions D x W x H	0.28"D x 0.94"W x 0.28"H
Item Weight	0.19 kg
Manufacturer	Oura
Memory Storage Capacity	4 GB
Metrics Measured	Body Temperature, Menstrual Cycle, Sleep Duration, Stress
Model Name	Ring 4 Smart Ring
Model Number	JZ90-54217-07
Operating System	Android
RAM Memory Installed	512 KB
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	Standard/Full
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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Imran F.

Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

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Received my product in pristine condition. Great service overall.

1 month ago

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€ 676.52

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered 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 Greece.

Secure transaction

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

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

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