Oura Ring 4 debuts slimmer design, additional sizes, and improved sensing starting at $349

Oct. 3, 2024 - TechCrunch

The Oura Ring 4 arrives just under three years after its predecessor’s debut. The most notable hardware change is the slimmer profile, an odd thing to say about what was already an extremely compact device.

As with the Oura 3, the new ring is constructed out of titanium, a light and durable material that puts its weight in line with a standard, dumb ring. Oura“The [photoplethysmography] sensors are placed asymmetrically within Oura Ring 4, providing a variety of distances and tissue penetration depths for measurements,” the company explains.

The list currently includes meal tracking; Oura recently acquired metabolic health startup Veri, which will ultimately play a role here...