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 Smart Ring 4 - Stealth - Size 5 - | Non-Standard Fit – Measure with a Size Kit |Sleep, Heart Rate and Fitness Tracking Wearable | 8-Day Battery, iOS / Android Compatible

Oura Smart Ring 4 - Stealth - Size 5 - | Non-Standard Fit – Measure with a Size Kit |Sleep, Heart Rate and Fitness Tracking Wearable | 8-Day Battery, iOS / Android Compatible

Product ID: 722958545

Details

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

⌚8-day battery life

💤Advanced sleep tracking

📊Comprehensive health analytics

$632.54

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Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💍 Wear the future of wellness — because your health deserves a smart upgrade.

TAILORED TO YOU - Available in multiple sizes and finishes, including stealth black, for a personalized statement piece.
POWER THROUGH YOUR WEEK - Up to 8 days of battery life with fast wireless charging means less downtime, more doing.
UNLOCK YOUR HEALTH DATA - Track heart rate, sleep quality, and activity with precision to optimize your daily performance.
SMARTPHONE SYNC SMARTER YOU - Effortless Bluetooth integration with iOS and Android for real-time health insights at your fingertips.
ALL DAY COMFORT ALL NIGHT INSIGHT - Sleek, lightweight design fits seamlessly into your lifestyle without interruption.

The Oura Smart Ring 4 in Stealth (Size 5) is a minimalist wearable designed for adults seeking advanced health monitoring. It tracks heart rate, sleep patterns, and activity with high accuracy, syncing seamlessly via Bluetooth to iOS and Android devices. Featuring an 8-day battery life with wireless charging, it offers comfort and style in a compact form factor, backed by a 3-year warranty.

Specifications

ASIN	B0D9WWLN7H
Age Range Description	Adult
Band Material Type	Silicone
Battery Average Life	8 days
Battery Cell Type	Lithium Polymer
Battery Charge Time	80 minutes
Best Sellers Rank	650 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
Closure Type	No Closure
Colour	Stealth
Communication Feature	Bluetooth
Compatible Devices	Smartphone
Compatible Phone Models	Compatible with iOS and Android devices
Connectivity Technology	Bluetooth
Country of Origin	Estonia
Customer Reviews	4.2 4.2 out of 5 stars (8,786)
Display Type	Analog
GPS Geotagging Functionality	No GPS
Human Interface Input	Buttons
Item Dimensions	27 x 27 x 8 millimetres
Item Dimensions D x W x H	8D x 27W x 8H millimetres
Manufacturer	Oura
Metrics Measured	Heart Rate, Sleep Duration
Model Name	Oura Ring 4 - Stealth - Size 5
Model Number	JZ90-54218-05
Operating System	Android
Product Features	Aktivitäts-Tracker
Product Warranty	3 year manufacturer warranty
Shape	Round
Style Name	Minimalist
Supported Application	Sleep Monitor, Activity Tracker, Stress Monitor, Heart Rate Monitor
Supported Satellite Navigation System	GPS
Target Audience	Uni-Erwachsene
Unit Count	1.0 count
Warranty Type	Lifetime
Water Resistance Depth	5 Metres
Water Resistance Level	Not 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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$632.54

Duties & taxes included

In stock

Sold byAmazon USADelivered 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 USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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