They've finally made the Oura Ring smaller and lighter

Oura Ring 5 is a newly announced smart ring priced at $399, designed to be both lighter and smaller than Oura Ring 4. It is 40% smaller, measuring 6.09mm wide and 2.29mm thick, and weighing between 2g and 2.69g depending on size. The ring uses reengineered components with stronger LEDs and optimized battery life rated for six to nine days. It is made of titanium and is IP68 weather resistant, with a coating described as less scratch-prone. An optional charging case holds five full charges and supports wireless charging. A new “deep rose” color is also available, while sizing may require a new kit and the available sizes start at 6.

"Good news. The newly announced $399 Oura Ring 5 is both. It's 40 percent smaller than the Oura Ring 4, measuring 6.09mm wide (down from 7.9mm) and 2.29mm thick (down from 2.88mm). Depending on the size, it weighs from 2 to 2.69g. You'd think it might be hard to notice much a difference between the Oura Ring 4 and 5 - two very small wearables. But slipping the Oura Ring 5 off a ring stand and into my palm? It's immediately noticeable. On my finger, it's slimmer, too."

"The design doesn't look that different, though Oura told me in a press briefing that it was reengineered to include stronger LEDs and optimized battery life that can last for six to nine days. (Alas, petite-fingered friends: Larger rings always have longer battery life.) The ring itself is titanium and IP68 weather resistant, and the coating is reportedly less scratch-prone than previous models. (Though I will be the judge of that in testing. I will never forget how deeply I was burned by the rose gold Oura Ring Gen 3.)"

"The optional charging case now also holds five full charges and works with wireless chargers. There's also a new "deep rose" color, which is more of a coppery rose gold than pink. There are a few disappointments. As with the Oura Ring 4, the company is recommending that people seeking to upgrade double-check their size with a new sizing kit. Because of the redesigned components, people can get stuck with an "in-between" ring size, which may require going larger or smaller to be more comfortable."

"Also, while the Oura Ring 4 was available in sizes 4 to 15, the Oura Ring 5 will only come in sizes 6"

Read at The Verge