Oura’s Ring 5 is 40% smaller than its predecessor, and it arrives three days before a likely IPO filing

https://media.thenextweb.com/2026/05/oura-ring-5-smallest-smart-ring-health-wearable.avif

TL;DR

Oura has launched the Ring 5, a smart ring that is 40% smaller than its predecessor at 6.09mm wide. It adds blood pressure pattern detection and AI-powered Health Radar monitoring. Priced from $399, it ships 4 June as Oura prepares for a US IPO at an $11 billion valuation.

Oura has launched the Ring 5, a smart ring that is 40% smaller than its predecessor and, at 6.09mm wide and 2.29mm thick, is the smallest smart ring on the market. The ring weighs as little as 2 grams depending on size, down from the Ring 4’s 7.99mm width and 2.88mm thickness. Despite the shrinkage, Oura says the Ring 5 retains the same sensor accuracy and offers up to nine days of battery life.

We have finally achieved what I think seems like a real technological miracle,” CEO Tom Hale told CNBC. “This is what...

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