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: 721882375

Details

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

⌚8 days battery life

💧Water resistant up to 30m

🔬Tracks 30+ biometrics

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31365469₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

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

PRECISION SIZING PERFECT FIT - Size yourself first with the Oura Ring 4 Sizing Kit—never guess your ring size again.
EFFORTLESS POWER EXTENDED WEAR - Up to 8 days of battery life means freedom from daily charging and uninterrupted insights.
ALL DAY ALL NIGHT SMART SENSING - Seamlessly track sleep, heart rate, stress, and fitness with adaptive, continuous biometric monitoring.
EXCLUSIVE OURA MEMBERSHIP ACCESS - Unlock personalized health insights and premium features with your first month free membership.
TITANIUM DURABILITY MEETS ELEGANCE - Lightweight, hypoallergenic, and water resistant—wear your smart ring 24/7 with confidence and style.

The Oura Ring 4 is a sleek, titanium smart ring designed for continuous 24/7 biometric tracking, including sleep, heart rate, stress, and fitness metrics. It offers up to 8 days of battery life, water resistance up to 30 meters, and a precision sizing kit to ensure the perfect fit. Compatible with iOS and Android, it integrates with the Oura app and includes a free first-month membership for enhanced health insights.

Specifications

ASIN	B0D9WV3474
Additional Features	Activity Tracker
Age Range Description	Adult
Band Color	Rose Gold
Band Material Type	Titanium
Battery Average Life	7 days
Battery Cell Type	Lithium Polymer
Best Sellers Rank	#12,026 in Electronics ( See Top 100 in Electronics ) #45 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	For threading
Color	Rose Gold
Communication Feature	Bluetooth
Compatible Devices	Smartphone, Tablet
Compatible Phone Models	Compatible with iOS and Android
Connectivity Technology	Bluetooth
Controller Type	Ring
Country of Origin	Estonia
Customer Reviews	4.1 4.1 out of 5 stars (6,995)
Display Type	Without Screen
GPS Geotagging Functionality	No GPS
Human Interface Input	Buttons
Item Dimensions	27 x 27 x 8 millimeters
Item Dimensions D x W x H	27D x 27W x 8H millimeters
Item Weight	6.4 Ounces
Manufacturer	Oura
Metrics Measured	Heart Rate, Sleep Duration, Stress
Model Name	Oura Ring 4 - Rose Gold - Size 9
Model Number	JZ90-54219-09
Operating System	iOS , Android
Shape	Round
Style Name	Elegant
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	30 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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