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Oura Ring 4 – Smart Ring with sizing kit

OURA ★ 3.3/5 · ItemOracle Score Premium

$499 USD
Price subject to change
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Oura Ring 4 - Gold - Size 14 - Smart Ring - Unique Sizing, Not Standard US Ring Sizes - Size First - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days of Battery Life

Smart ring with sleep tracking and heart rate metrics. Size first approach and membership included for new users; ongoing membership available. Users note strong sleep tracking and build quality, though battery life and functionality receive mixed reviews

Highlights

  • unique sizing kit
  • 50+ health metrics
  • long battery potential

Pros

  • sleep tracking metrics
  • strong build quality
  • unique sizing approach
  • includes first-month membership for new users
  • comfortable style

Cons

  • mixed reviews on battery life
  • mixed functionality feedback
  • scratch resistance concern

Best For

  • sleep monitoring
  • heart rate tracking
  • fitness activity tracking
  • style-conscious wearables
  • membership-enabled health insights
  • non-standard ring sizing

Features

  • Oura Ring 4 uses non-standard sizing; measure with the provided sizing kit
  • Includes the first month of OURA MEMBERSHIP with purchase for new members
  • Membership grants continued access via the Oura App after the initial month
  • Smart sensing tracks over 50 health metrics including sleep, activity, stress, and heart health

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