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: 718050450

Details

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

⌚8 days battery life

💧Water resistant up to 100m

🔬Tracks 30+ biometrics

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

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

ALL DAY SMART SENSING - Monitor sleep, heart rate, stress, and women’s health with adaptive AI-powered accuracy.
PRECISION SIZING FIRST - Size yourself perfectly with the Oura Ring 4 Sizing Kit—no guesswork, just flawless fit.
EFFORTLESS 8 DAY BATTERY - Stay unplugged longer—up to 8 days of continuous tracking without interruptions.
SEAMLESS APP INTEGRATION - Syncs effortlessly with Android & iOS via Bluetooth for real-time insights and personalized health coaching.
TITANIUM DURABILITY MEETS COMFORT - Lightweight, hypoallergenic titanium design built for 24/7 wear, even in water up to 100m.

The Oura Ring 4 is a sleek, all-titanium smart ring designed for continuous health tracking with up to 8 days of battery life. It measures over 30 biometrics including sleep, heart rate, stress, and women’s health metrics using advanced Smart Sensing technology. Water resistant up to 100 meters and compatible with Android and iOS devices, it offers a perfect fit with a dedicated sizing kit and integrates seamlessly with the Oura app for personalized wellness insights.

Specifications

ASIN	B0D9WVKXLK
Additional Features	Heart Rate Monitor, Activity Tracker
Age Range Description	Adult
Band Color	gold
Band Material Type	Titanium
Battery Average Life	8 days
Battery Capacity	8
Battery Cell Type	Lithium Polymer
Battery Charge Time	80 minutes
Best Sellers Rank	#507 in Electronics ( See Top 100 in Electronics ) #3 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, Tablet
Compatible Phone Models	Android, iOS
Connectivity Technology	Bluetooth
Controller Type	Ring
Country of Origin	Estonia
Customer Reviews	4.0 4.0 out of 5 stars (8,596)
Display Type	No Display
GPS Geotagging Functionality	No GPS
Global Trade Identification Number	06430060153288
Human Interface Input	Buttons
Item Dimensions	22 x 22 x 7 millimeters
Item Dimensions D x W x H	22D x 22W x 7H millimeters
Item Weight	0.18 Kilograms
Manufacturer	Oura
Metrics Measured	Heart Rate, Stress, Sleep Duration, Activity
Model Name	JZ90
Model Number	JZ90-54216-08
Operating System	Android
Shape	Ring
Style Name	Modern
Supported Application	Phone
Supported Satellite Navigation System	GPS
Target Audience	Unisex Adult
Warranty Description	2 year manufacturer warranty
Warranty Type	Limited
Water Resistance Depth	100 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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Excellent communication throughout the order process. Product is perfect.

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391139CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered 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 Senegal.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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