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Oura Ring 4 – Black, Size 5, Sleep Tracking Smart Ring

OURA ★ 3.5/5 · ItemOracle Score Premium

$349 USD
Price subject to change
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Oura Ring 4 - Black - Size 5 - 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 before purchase with dedicated sizing kit; includes first month of membership with app-based insights. Users note stylish design and strong sleep tracking, though battery life and durability vary

Highlights

  • sleep tracking with health metrics
  • unique non-standard sizing
  • membership access via app

Pros

  • stylish design
  • sleep tracking capability
  • heart rate and health metrics
  • unique sizing approach with sizing kit
  • app interface and insights

Cons

  • mixed battery life
  • durability concerns in some reviews
  • functionality may vary

Best For

  • sleep tracking
  • heart rate monitoring
  • health metrics tracking
  • wearable fitness data
  • session-based wellness insights
  • style-conscious wearables

Features

  • Oura Ring 4 uses sizing kit; ring sizes differ from standard US sizes
  • First month of OURA MEMBERSHIP included with purchase for new members
  • Membership is tied to the user account via the Oura App; subsequent billing applies
  • Tracks over 50 health metrics including sleep, activity, stress, and heart health
  • Batteries provide up to 8 days of usage per charge

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