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.

Oura Ring 4 Smart Ring Stealth Size 13

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

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19803611₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered 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 Vietnam.

Secure transaction

Description

💍 Own your health journey with stealthy precision.

STAY POWERED LONGER - Up to 8 days of battery life means less charging, more living.
SEAMLESS STYLE SWITCH - Multi-ring support lets you match your ring to your mood or outfit via the app.
EFFORTLESS ALL DAY WEAR - Sleek titanium design with stealth finish, lightweight and water resistant up to 100m.
PRECISION MEETS ADAPTABILITY - Smart Sensing tech delivers personalized, continuous health insights day & night.
HEALTH DATA AT YOUR FINGERTIPS - Tracks sleep, stress, heart, metabolic & women’s health metrics for a holistic wellness view.

The Oura Ring 4 Smart Ring in Stealth size 13 is a cutting-edge biometric wearable crafted from titanium, offering up to 8 days of battery life and water resistance rated IP67. It tracks over 50 health metrics including sleep, heart health, stress, and women’s health, powered by adaptive Smart Sensing technology. Compatible with iOS and Android, it supports multi-ring style changes via the Oura app and includes a one-month membership to Oura’s health insights platform.

Specifications

ASIN	B0D9WW4XVP
Additional Features	Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight
Age Range Description	Adult
Band Color	Stealth
Band Material Type	Titanium
Battery Average Life	5 days
Battery Cell Type	Lithium Polymer
Battery Charge Time	80 minutes
Best Sellers Rank	#345 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
Clasp Type	Tang Buckle
Color	Stealth
Communication Feature	Bluetooth
Compatible Devices	Smartphone
Compatible Phone Models	Compatible with iOS and Android devices
Connectivity Technology	Bluetooth
Controller Type	Owner
Customer Reviews	4.0 4.0 out of 5 stars (9,164)
Display Type	No Display
GPS Geotagging Functionality	GPS Via Smartphone
Global Trade Identification Number	06430060153578
Human Interface Input	Unknown
Item Dimensions	1.06 x 1.06 x 0.31 inches
Item Weight	0.19 kg
Manufacturer	Oura
Metrics Measured	Body Temperature, Menstrual Cycle, Sleep Duration, Stress
Model Name	JZ90
Model Number	JZ90-54218-13
Operating System	i_os, android
Shape	Round
Sport Type	Multi-Sports
Style Name	Metallic
Supported Application	Various health and fitness apps, iOS, and Android
Supported Satellite Navigation System	GPS
Target Audience	Unisex Adults
Unit Count	1 Count
Warranty Description	1 Year Manufacturer
Warranty Type	Standard/Full
Water Resistance Depth	100 meters
Water Resistance Level	Water Resistant
Waterproof Rating	IP67
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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19803611₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered 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 Vietnam.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ravi S.

I loved the variety of products available. Will definitely shop again.

2 months ago

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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OURA Ring 4 Smart Ring - Stealth - Size 13

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Details

Description

Specifications

Common Questions