Wearable Technology

Oura Ring 4 - Smart Ring - Silver - Size 8 - Sleep, Activity, Women's Health, AI Advisor, Up to 8 Days of Battery Life, Oura App, Android & iOS Compatible

Name: Oura Ring 4 - Smart Ring - Silver - Size 8 - Sleep, Activity, Women's Health, AI Advisor, Up to 8 Days of Battery Life, Oura App, Android & iOS Compatible
Brand: OURA
SKU: B0D9WVSZ56
Price: 349 USD
Availability: InStock
Rating: 4.2 (7045 reviews)

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4.20

7045 Reviews

Oura Ring 4 - Smart Ring - Silver - Size 8 - Sleep, Activity, Women's Health, AI Advisor, Up to 8 Days of Battery Life, Oura App, Android & iOS Compatible - 1

Oura Ring 4 - Smart Ring - Silver - Size 8 - Sleep, Activity, Women's Health, AI Advisor, Up to 8 Days of Battery Life, Oura App, Android & iOS Compatible - 2

Oura Ring 4 - Smart Ring - Silver - Size 8 - Sleep, Activity, Women's Health, AI Advisor, Up to 8 Days of Battery Life, Oura App, Android & iOS Compatible - 3

Oura Ring 4 - Smart Ring - Silver - Size 8 - Sleep, Activity, Women's Health, AI Advisor, Up to 8 Days of Battery Life, Oura App, Android & iOS Compatible - 4

Oura Ring 4 - Smart Ring - Silver - Size 8 - Sleep, Activity, Women's Health, AI Advisor, Up to 8 Days of Battery Life, Oura App, Android & iOS Compatible - 5

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Product Overview

Key features

ACCURACY - SMART SENSING - Oura tracks over 50 health metrics, including sleep, activity, stress, heart health, and women’s health metrics. Oura Ring 4 is powered by Smart Sensing, which adapts to you — delivering accurate, continuous data, day and night, ACCURATE SIZING ESSENTIAL - Oura Ring 4 uses unique sizing different from standard jewelry rings; use the Oura Ring 4 Sizing Kit to find your perfect fit before purchasing, LONG LASTING BATTERY - With up to 8 days of battery life, no screens and no vibrations, Oura Ring 4 allows you to focus on the present.

From a workout to a night out — you’re free to forget it’s on. Until you start getting compliments, OURA MEMBERSHIP - First month of membership is included with purchase, for new members only. Subscription is 5.99/mo afterwards.

Membership is tied to your account via the Oura App, not your physical ring, HSA/FSA ELIGIBLE - We can accept HSA or FSA funds for the following: Oura Ring, additional chargers, and shipping.

Key Points

What makes this product stand out

check_circleACCURACY - SMART SENSING - Oura tracks over 50 health metrics, including sleep, activity, stress, heart health, and women’s health metrics. Oura Ring 4 is powered by Smart Sensing, which adapts to you — delivering accurate, continuous data, day and night

check_circleACCURATE SIZING ESSENTIAL - Oura Ring 4 uses unique sizing different from standard jewelry rings; use the Oura Ring 4 Sizing Kit to find your perfect fit before purchasing

check_circleLONG LASTING BATTERY - With up to 8 days of battery life, no screens and no vibrations, Oura Ring 4 allows you to focus on the present. From a workout to a night out — you’re free to forget it’s on. Until you start getting compliments

check_circleOURA MEMBERSHIP - First month of membership is included with purchase, for new members only. Subscription is 5.99/mo afterwards. Membership is tied to your account via the Oura App, not your physical ring

check_circleHSA/FSA ELIGIBLE - We can accept HSA or FSA funds for the following: Oura Ring, additional chargers, and shipping

check_circleDESIGNED FOR 24/7 WEAR - The updated design of the Oura Ring 4 is more comfortable, fits better than ever, and is water resistant. The first all-titanium smart ring combines exceptional durability with a gentle touch, even for sensitive skin

check_circleSYNC WITH YOUR FAVORITE APPS - Compatible with iOS and Android — Oura seamlessly integrates with over 40 apps including Apple Health, Google Health Connect, Natural Cycles, Flo, Strava, & more

check_circleLOOKING FOR THE BEST HEALTH TRACKER? - Whether you’re searching for a sleep ring or fitness ring, Oura Ring 4 is for you — this revolutionary smart ring that allows you to discreetly track your sleep, activity, recovery and stress — in style

Main Specifications

Technical details and specifications

GPSNo GPS

ASINB0D9WVSZ56

BrandOURA

ShapeRing

ColourSilver

Brand NameOURA

Model NameOura Ring 4 - Silver - Size 8

Sport TypeMulti-Sports

Style NameModern

Band ColourSilver

Item Weight5.2 Grams

Box ContentsInformation Booklet, Oura Ring 4, Oura Ring 4 Charger, Quick Start Guide, USB-C Cable

Closure TypeSlip On

Display TypeNo Display

ManufacturerOura

Model NumberJZ90-54217-08

Warranty TypeLifetime

Controller TypeRemote control via smartphone

Item Dimensions25 x 25 x 7 millimetres

Special featureHeart Rate Monitor, Activity Tracker

Target AudienceUnisex Adult

Battery Capacity26 Milliamp Hours

Battery capacity26 Milliamp Hours

Customer Reviews4.3 4.3 out of 5 stars (6,306) 4.3 out of 5 stars

Metrics Measuredoptical, accelerometer

Operating SystemAndroid

Operating systemAndroid

Product FeaturesHeart Rate Monitor, Activity Tracker

Battery Cell TypeLithium Polymer

Best Sellers Rank361 in Electronics & Photo (See Top 100 in Electronics & Photo) 1 in Wearable Tech Rings

Country of OriginEstonia

Waterproof RatingIP68

Band Material TypeTitanium

Case Material TypeTitanium

Compatible DevicesSmartphone

Battery Charge Time80 minutes

Battery Average Life8 days

Wireless CompabilityBluetooth

Age Range DescriptionAdult

Communication FeatureApp Integration, Bluetooth

Human Interface InputButtons

Supported ApplicationOver 40 apps including Apple Health, Google Health Connect, Natural Cycles, Flo, Strava, & more

Water Resistance Depth1 Metres

Water Resistance LevelWater Resistant

Wearable Computer TypeSmart Ring

Compatible Phone ModelsiOS, Android

Connectivity TechnologyBluetooth, USB

Connectivity technologyBluetooth, USB

Memory Storage Capacity5 MB

Memory storage capacity5 MB

Battery cell compositionLithium Polymer

Item Dimensions D x W x H25D x 25W x 7H millimetres

GPS Geotagging FunctionalityNo GPS

Wireless communication standardBluetooth

Supported Satellite Navigation SystemGPS

Customer Ratings

4.2

starstarstarstarstar

Based on 7045 reviews

5★

72%

4★

3★

2★

1★

11%

What Buyers Say

Real verified customer reviews

thumb_upMost Loved

5/5

A great alternative to a smart-watch

I was keen to utilise technology to help with my fitness, but love mechanical watches so a smart-watch wasn't an option. Came across this and after some research I gave it a punt. Very happy customer, the ring is a dod…

5/5

So So Happy!

balanceHonest Critiques

1/5

Please don’t waste your money!

Don’t waste your money!! I have had mine 4 months and the battery is draining fast!! A very expensive piece of crap in my opinion. You also have to pay a subscription which is ridiculous!! If you want to track your healt…

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