Oura is launching its smallest smart ring yet, shrinking wearable design by 40%

An Oura Ring 5 model next to a ladybug. Courtesy: Oura Oura on Thursday announced its latest smart ring, one that it says is the smallest offered by any company. The Oura Ring 5 will be 40% smaller than Oura's previous generation ring , the company said. The ring will still have the same level of sensing, tracking and accuracy as the previous generation, it said. "By reimagining Oura Ring 5 to be smaller, easier to wear, and pairing it with our most advanced software yet, we're making it possible for many more people to wear Oura every day — and to benefit from the personalized, predictive health insights that come with it," Oura CEO Tom Hale said in a statement. The ring, which will start to ship on June 4, will be priced at $399 for base finishes and $499 for premium finishes like gold and brushed silver. The company will also be launching a portable charging case for the new ring, priced at $99. Oura has been named to the CNBC Disruptor 50 list four times, including No. 14 in 2026 . Last week, Oura confidentially filed a draft of its IPO prospectus with the Securities and Exchange Commission. It did not provide a timeline for an IPO. More coverage of the 2026 CNBC Disruptor 50 The company is launching several new tracking and health features alongside the Ring 5, features that will also work with Oura's generation 3 and 4 rings. That includes an expansion of its proactive health tracking, now called Health Radar. …