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.

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

Oura Smart Ring 4 - Silver - Size 14 - | Non-Standard Fit – Measure with a Size Kit |Sleep, Heart Rate and Fitness Tracking Wearable | 8-Day Battery, iOS / Android Compatible | Sleep, Activity, Women’s Health, AI Advisor, Up to 8 Days of Battery Life, Size Before You Buy, Android & iOS Compatible

Oura Smart Ring 4 - Silver - Size 14 - | Non-Standard Fit – Measure with a Size Kit |Sleep, Heart Rate and Fitness Tracking Wearable | 8-Day Battery, iOS / Android Compatible | Sleep, Activity, Women’s Health, AI Advisor, Up to 8 Days of Battery Life, Size Before You Buy, Android & iOS Compatible

Product ID: 706479072

Details

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

💤Advanced sleep tracking

📊Comprehensive health metrics

🔋8-day battery life

3152 Lei

Duties & taxes included

In stock

Sold byAmazon RomaniaDelivered 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 Romania.

Secure transaction

Description

💍 Elevate your health game—wear the future on your finger!

DATA DRIVEN WELLNESS - Track heart rate, sleep quality, activity, stress, and women’s health with AI-powered personalized insights.
POWER THROUGH YOUR WEEK - Up to 8 days of battery life with fast 80-minute wireless charging—stay connected longer, unplugged.
SEAMLESS SMARTPHONE SYNC - Effortlessly integrates with iOS and Android devices for real-time analytics and trend tracking.
TAILORED FIT TIMELESS STYLE - Available in multiple sizes and finishes with a size kit to ensure your perfect, personalized fit.
ALL DAY COMFORT ALL NIGHT INSIGHT - Sleek, lightweight design fits seamlessly into your lifestyle without compromise.

The Oura Smart Ring 4 is a cutting-edge wearable that combines sleek stainless steel design with advanced biometric tracking. It offers up to 8 days of battery life, monitors heart rate, sleep, activity, and stress, and syncs seamlessly with iOS and Android devices. Water-resistant and available in multiple sizes, it’s the ultimate smart ring for professionals seeking discreet, data-driven wellness.

Specifications

ASIN	B0D9WVBBZ4
Age Range Description	Adult
Band Colour	Black
Band Material Type	Stainless Steel
Battery Average Life	8 days
Battery Cell Type	Lithium Polymer
Battery Charge Time	80 minutes
Best Sellers Rank	409 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 3 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	Stainless Steel
Closure Type	Slip On
Colour	Silver
Communication Feature	Bluetooth
Compatible Devices	Smartphone, Tablet
Compatible Phone Models	All current iPhone models, all current Samsung Galaxy models, all current Android models
Connectivity Technology	Bluetooth
Controller Type	Ring
Customer Reviews	4.2 4.2 out of 5 stars (8,557)
Display Type	No Display
GPS Geotagging Functionality	No GPS
Human Interface Input	Unknown
Item Dimensions	24 x 24 x 8 millimetres
Item Dimensions D x W x H	24D x 24W x 8H millimetres
Manufacturer	Oura
Metrics Measured	Heart Rate, Sleep Duration, Activity, Stress, Heart Health
Model Name	Oura Ring 4 - Silver - Size 14
Model Number	JZ90-54217-14
Operating System	Proprietary/Custom
Product Features	Activity Tracker
Product Warranty	3 year manufacturer warranty
Shape	Round
Sport Type	Fitness
Style Name	Metallic
Supported Application	Fitness Tracker
Supported Satellite Navigation System	GPS
Target Audience	Unisex Adults
Warranty Type	Limited
Water Resistance Depth	100 Metres
Water Resistance Level	Water Resistant
Waterproof Rating	IP54
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

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

3152 Lei

Duties & taxes included

In stock

Sold byAmazon RomaniaDelivered 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 Romania.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

View all Trustpilot reviews