New Arrivals/Restock

Oura Ring 4, Black, Size 5, Smart Wearable, Sleep, Fitness & Heart Rate Tracker, 8-Day Battery (Size Before You Buy)

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US$209.40 cheaper than the new price!!

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Used  US$139.60
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Product details

Management number 230418114 Release Date 2026/06/18 List Price US$139.60 Model Number 230418114
Category

<p>Introducing Oura Ring 4: the latest evolution of the revolutionary smart ring. Oura Ring 4 brings you closer to what matters most — your health. The updated all-titanium design is powered by Smart Sensing, a new sensing platform that doesn’t just measure your biometrics, it adapts to you, providing insights into over 50 health metrics, including sleep, readiness, activity, heart health, stress, metabolic health, and women’s health. Oura Ring quietly and comfortably monitors your health and with 5 to 8 days of battery life — you can forget it’s even on.</p> <p>Sleeker, smarter and more accurate than ever, Oura Ring 4 is made for you.</p> <p>Oura Ring is FSA/HSA Eligible — we can accept FSA or HSA funds for the following: Oura Ring, additional chargers, and shipping.</p> <p><strong>IMPORTANT: Size yourself with the Oura Ring Sizing Kit before you buy — Oura Rings are not US standard sizing, and finding the right size will result in the best experience possible. With a sizing kit purchase, you receive $10 Walmart Cash towards the future purchase of an Oura Ring 4. </strong></p>

  • SIZE BEFORE YOU BUY: Oura Ring 4 is different from standard ring sizing; order the Oura sizing kit and get $10 Walmart Cash toward your purchase of an Oura Ring 4
  • OURA MEMBERSHIP: First month of membership free with purchase – offer available to new members only; then $5.99/month or opt for $69.99/year annual prepaid option
  • APP-BASED MEMBERSHIP: Membership is tied to your Oura App account, not the physical ring
  • HEALTH TRACKING: Tracks over 50 metrics, including sleep, activity, stress, heart health, and women’s health metrics
  • SMART SENSING: Adapts to you and delivers accurate, continuous data day and night
  • BATTERY LIFE: Lasts 5-8 days* on a single charge
  • DISCREET DESIGN: No screens or vibrations so you can stay present — from workouts to nights out
  • DESIGNED FOR 24/7 WEAR: Oura Ring 4’s updated design is more comfortable, fits better than ever, and is water resistant
  • DURABLE DESIGN: 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 is for you— this revolutionary smart ring that allows you to discreetly track your sleep, activity, recovery and stress - in style
  • Finish: Black
  • Size: 5
Ring size 5
Ring style Band
Metal type Titanium
Brand Oura
Color Black
Is resizable N
Number of diamonds 0
Number of gemstones 0
Material Titanium
Shape Round
Pattern Solid Print
Age group Adult
Gender Unisex
Fine or fashion Fashion
Theme Smart Ring
Designer Oura
Model JZ90-54144-05
Has written warranty No
Number of pearls 0
Jewelry occasion Everyday
Items included Ring
Piece count 1
Assembled product weight 0.44 lb

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