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

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: 676843225

Details

Battery capacity
8
Connectivity technology
Bluetooth
Operating system
Proprietary OS
Special features
Heart Rate
Wireless communication standard
Bluetooth

⌚8 days battery life

💤30+ biometric sleep & health metrics

💧Water-resistant titanium design

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R$7098

Duties & taxes included

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Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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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—focus on living, not powering up.
SMART SENSING MASTERY - Tracks 30+ biometrics including heart rate, sleep, stress & women’s health for truly personalized insights.
PRECISION SIZING FIRST - Size yourself perfectly with the Oura Ring 4 Sizing Kit—no guesswork, just flawless fit.
EXCLUSIVE OURA MEMBERSHIP - Unlock premium health insights with your first month free, then $6.99/mo or $79.99 annually.
SLEEK DURABLE COMFORTABLE - All-titanium, water-resistant design crafted for 24/7 wear, even on sensitive skin.

The Oura Ring 4 is a cutting-edge smart ring designed for professionals who demand precision and style. Featuring advanced Smart Sensing technology, it tracks over 30 biometric signals including sleep, heart rate, and stress with clinical accuracy. Its all-titanium, water-resistant build ensures comfort and durability for 24/7 wear, while an impressive 8-day battery life keeps you unplugged longer. The included sizing kit guarantees a perfect fit, and the Oura membership unlocks deep health insights, making it the ultimate wearable for holistic wellness.

Specifications

ASIN	B0D9WW8V53
Additional Features	Heart Rate Monitor, Sleep Monitor
Age Range Description	Adult
Band Color	Gold
Band Material Type	Gold
Battery Average Life	8 days
Battery Capacity	8
Battery Cell Type	Lithium Polymer
Battery Charge Time	80 minutes
Best Sellers Rank	#260 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	Slip On
Color	Gold
Communication Feature	Bluetooth
Compatible Devices	Smartphone
Compatible Phone Models	Compatible with iOS and Android devices
Connectivity Technology	Bluetooth
Country of Origin	Estonia
Customer Reviews	4.1 4.1 out of 5 stars (7,431)
Display Type	No Display
GPS Geotagging Functionality	No GPS
Global Trade Identification Number	06430060153240
Human Interface Input	Unknown
Item Dimensions	25 x 25 x 7 millimeters
Item Dimensions D x W x H	25D x 25W x 7H millimeters
Item Weight	0.19 Kilograms
Manufacturer	Oura
Metrics Measured	Heart Rate Monitor, Sleep Monitor
Model Name	Oura Ring 4 - Gold - Size 4
Model Number	JZ90-54216-04
Operating System	Proprietary OS
Shape	Round
Style Name	Minimalist
Supported Application	['Sleep Monitor', 'Fitness Tracker', 'Heart Rate Monitor', 'Stress Monitor', 'Women's Health Tracker', 'Activity Tracker', 'Apple Health', 'Google Health Connect', 'Natural Cycles', 'Flo', 'Strava']
Supported Satellite Navigation System	GPS
Target Audience	Unisex Adults
Unit Count	1.0 Count
Warranty Description	2 year manufacturer warranty
Warranty Type	Standard
Water Resistance Depth	1 Meters
Water Resistance Level	Water Resistant
Waterproof Rating	IPX7
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

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Farhan Q.

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

2 months ago

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

R$7098

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered 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 Brazil.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Zainab N.

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1 week ago

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