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Oura Ring 5 review: Size is everything
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Oura Ring 5 review: Size is everything

Engadget · Jun 29, 2026, 12:00 PM · Also reported by 1 other source

Key takeaways

  • It’s the Oura Ring 4, but 40 percent smaller.
  • Daniel Cooper for Engadget RATING : 9 / 10 Pros It’s so small!
  • Daniel Cooper for Engadget The Oura Ring 5 is 40 percent smaller than its predecessor, a feat that shocked even me when I was first told.

It’s the Oura Ring 4, but 40 percent smaller.

Daniel Cooper for Engadget RATING : 9 / 10 Pros It’s so small! Seven-day battery life Cons You still have to pay extra for colors (paint) App hides the depth of its data Sometimes, the biggest and most notable achievement is also the thing expected to pass unnoticed. The Oura Ring 5 is dramatically smaller than its predecessor without any real compromise to its performance. Battery life is improved, up to a full week on a single charge, despite less room for a power cell. On one hand, it's more or less the same ring I reviewed a year ago in a vastly smaller package, but let's not undersell that achievement.

Daniel Cooper for Engadget The Oura Ring 5 is 40 percent smaller than its predecessor, a feat that shocked even me when I was first told. Yes, gadgets tend to get smaller, but smart rings were already tiny, and it's a flex to get the size down by that much. The company deserves its flowers for the scale of such a task, especially since it came without compromises on battery life and performance. Naturally, the target market is all those people who love the idea of a smart ring, but found existing models too hefty for their dainty digits. The 5 still isn't likely to pass for a regular ring, but it's far less obviously a smart ring than the 4, and I doubt people will notice it on your hand.

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