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 - Black - Size 15 - | 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 - Black - Size 15 - | Non-Standard Fit – Measure with a Size Kit |Sleep, Heart Rate and Fitness Tracking Wearable | 8-Day Battery, iOS / Android Compatible

Product ID: 698086829

Details

Battery capacity
8000 Milliamp
Battery cell composition
Lithium
Brand
OURA
Connectivity technology
Bluetooth
GPS
No GPS
Model name
Oura Ring 4 -

⌚8-day battery life

💧100m water resistant

🔋80 min fast USB-C charge

442341CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💍 Own your health, quietly powerful.

DEEP HEALTH INSIGHTS - Track heart rate, sleep quality, and activity with clinical-grade precision.
SUBTLE STYLE STATEMENT - Minimalist black finish blends perfectly with your professional and casual looks.
EFFORTLESS ALL DAY WEAR - Sleek titanium design ensures comfort and durability for your busiest days.
SEAMLESS SMARTPHONE SYNC - Bluetooth connectivity delivers real-time data to iOS & Android apps.
UNMATCHED BATTERY FREEDOM - Up to 8 days of power with quick 80-minute USB-C wireless charging.

The Oura Smart Ring 4 is a cutting-edge wearable crafted from titanium, designed for professionals seeking discreet yet powerful health tracking. It offers advanced monitoring of sleep, heart rate, and activity with up to 8 days of battery life and fast USB-C charging. Water resistant up to 100 meters and compatible with both iOS and Android, it integrates seamlessly into your lifestyle while delivering actionable wellness insights through its intuitive app.

Specifications

ASIN	B0D9WWBQSG
Age Range Description	Adult
Band Colour	Black
Band Material Type	Titanium
Battery Average Life	8 days
Battery Capacity	8000 Milliamp Hours
Battery Cell Type	Lithium Polymer
Battery Charge Time	80 minutes
Best Sellers Rank	713 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 4 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	Titanium
Clasp Type	Tang Buckle
Closure Type	Tang Buckle
Colour	Black
Communication Feature	Bluetooth
Compatible Devices	Smartphone, Tablet
Compatible Phone Models	Compatible with iOS and Android devices
Connectivity Technology	Bluetooth
Controller Type	Ring
Country of Origin	Estonia
Customer Reviews	4.2 4.2 out of 5 stars (8,782)
Display Type	No Display
GPS Geotagging Functionality	No GPS
Global Trade Identification Number	06430060153233
Human Interface Input	Unknown
Item Dimensions	24 x 24 x 7 millimetres
Item Dimensions D x W x H	24D x 24W x 7H millimetres
Item Weight	0.19 Kilograms
Manufacturer	Oura
Metrics Measured	Accelerometer
Model Name	Oura Ring 4 - Black - Size 15
Model Number	JZ90-54144-15
Operating System	Android
Product Features	Activity Tracker
Product Warranty	3 year manufacturer warranty
Shape	Ring
Sport Type	Multi-Sports
Style Name	Minimalist
Supported Application	Fitness Tracker
Supported Satellite Navigation System	GPS
Target Audience	Unisex Adults
Warranty Type	Lifetime
Water Resistance Depth	100 Metres
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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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Received my product in pristine condition. Great service overall.

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