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 Silver Size 15 Size Before You Buy

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Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💍 Elevate your wellness game with the ring that knows you best.

STAY POWERED FOR OVER A WEEK - Up to 8 days of battery life with quick 80-minute USB-C charging keeps you going longer.
FITS LIKE IT WAS MADE FOR YOU - Size Before You Buy ensures a perfect, comfortable fit that feels custom-made.
ALL DAY COMFORT MEETS SLEEK DESIGN - Minimalist stainless steel ring that fits seamlessly into your lifestyle.
WATER RESISTANT FOR EVERY ADVENTURE - IP54 rating and 50m water resistance means no need to pause your health tracking.
DEEP HEALTH INSIGHTS AT YOUR FINGERTIPS - Track heart rate, sleep quality, activity, and stress with precision analytics via the intuitive app.

The Oura Ring 4 in Silver is a cutting-edge smart ring designed for adults seeking a minimalist yet powerful health tracker. Crafted from stainless steel, it offers advanced monitoring of heart rate, sleep, activity, and stress with seamless Bluetooth connectivity to smartphones. Its standout features include an 8-day battery life with fast USB-C charging, water resistance up to 50 meters, and a custom fit option to ensure comfort. Backed by a 3-year warranty, it integrates effortlessly with popular health apps, making it a top choice for professionals who want discreet, continuous health insights.

Specifications

ASIN	B0D9WV7R98
Age Range Description	Adult
Band Colour	Silver
Band Material Type	Stainless Steel
Battery Average Life	8 days
Battery Capacity	8 days
Battery Cell Type	Lithium Polymer
Battery Charge Time	80 minutes
Best Sellers Rank	567 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 2 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	Stainless Steel
Closure Type	Slip On
Colour	Silver
Communication Feature	Bluetooth
Compatible Devices	Smartphone, Tablet
Compatible Phone Models	all current smartphone models
Connectivity Technology	Bluetooth
Controller Type	Ring
Country of Origin	Estonia
Customer Reviews	4.2 4.2 out of 5 stars (8,773)
Display Type	No Display
GPS Geotagging Functionality	No GPS
Human Interface Input	Unknown
Item Dimensions	25 x 25 x 8 millimetres
Item Dimensions D x W x H	25D x 25W x 8H millimetres
Manufacturer	Oura
Metrics Measured	Heart Rate Monitor, Sleep Duration Monitor, Stress Monitor
Model Name	JZ90-54217-15
Model Number	JZ90-54217-15
Operating System	Proprietary/Custom
Product Features	Advanced Health Tracking
Product Warranty	3 year manufacturer warranty
Shape	Round
Sim Card Size	eSIM
Style Name	Minimalist
Supported Application	Apple Health, Google Health Connect, Natural Cycles, Flo, Strava
Supported Satellite Navigation System	GPS
Target Audience	Men
Warranty Type	Lifetime
Water Resistance Depth	50 Metres
Water Resistance Level	Water Resistant
Waterproof Rating	IP54
Wearable Computer Type	Smart Ring
Wireless Compability	Bluetooth

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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.

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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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