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Wearables

Oura

Oura Ring 4

The most polished smart ring app, turning sleep, heart rate and temperature into one clear daily score. Needs a membership.

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See price at boutiques

Lowest price we found, on Brand store

Launched 15 octobre 2024

  • TracksSleep, readiness, activity
  • BatteryUp to 8 days
  • Works withiPhone & Android
  • AbonnementMembership required

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Pros and cons

Pros

  • Best-in-class app
  • Works with iPhone and Android

Cons

  • Most features need a paid membership

Oura Ring 4 full specifications

Health

Tracks
Sleep, heart rate, HRV, temperature, blood oxygen

Battery

Battery life
Up to 8 days

Design

Material
Titanium

Specifications are from the manufacturer and can differ by region or variant.

Featured in our guides

Wearables4 sélections
  • 01/ Oura Ring 4
  • 02/ Samsung Galaxy Ring
  • 03/ RingConn Gen 2

Best Smart Rings: Sleep and Health Tracking Without a Watch

The best smart rings for sleep, recovery and health tracking, with and without a subscription, and which one suits your phone.

Updated 2 novembre 2026

Questions fréquentes

Where can I buy Oura Ring 4?

Oura Ring 4 is available from Amazon, Brand store.

What are the key specs of Oura Ring 4?

Tracks: Sleep, readiness, activity. Battery: Up to 8 days. Works with: iPhone & Android. Subscription: Membership required.

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