Oura Ring 4 – Black – Size 9 – Smart Ring – Size First with Oura Ring 4 Sizing Kit – Sleep Tracking Wearable – Heart Rate – Fitness Tracker – Up to…

$277,41

Last updated on 09/02/2025 04:24 Details

Description

  • SIZE BEFORE YOU BUY – Oura Ring 4 sizes are different from standard ring sizes. Size yourself with the Oura Ring 4 Sizing Kit and receive a $10 Amazon credit towards the future purchase of an Oura Ring 4.
  • OURA MEMBERSHIP – First month of membership is free with your purchase, $5.99/mo afterwards. Offer available to new members only. Or opt for the annual prepaid option for $69.99. Membership is tied to your account via the Oura App, not your physical ring.
  • ACCURACY – SMART SENSING – Oura tracks over 30 biometrics, 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.
  • 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.
  • DESIGNED 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.
  • SYNC 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.
  • HSA/FSA ELIGIBLE – We can accept HSA or FSA funds for the following: Oura Ring, additional chargers, and shipping.
  • LOOKING 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.

Additional information

Package Dimensions

4.69 x 4.45 x 1.38 inches

Item Weight

6.7 ounces

Item model number

JZ90-54144-09

Batteries

1 Lithium Polymer batteries required. (included)

Other display features

Wireless

Color

Whats in the box

Oura Ring 4, Oura Ring 4 Charger, USB Cable, Information Booklet, Quick Start Guide

Manufacturer

Country of Origin

Estonia

Date First Available

October 3, 2024

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