Oura has announced a new version of its popular smart ring , called the Oura Ring 5. Compared to the Ring 4 , the new model has a 40% smaller body (2.28mm thick), made of lightweight, non-allergenic titanium. To achieve a thinner and lighter design, the brand has reworked the mechanical, electrical, optical, battery, and sensing architecture. Oura Ring 5 has a smaller design and upgraded sensors The Ring 5 uses low-profile sensor domes, stronger LEDs, and 12 signal pathways to get cleaner and more consistent readings from the finger across different skin tones. Its battery life has been increased to last between six and nine days. Oura It is available in sizes ranging from 6 to 13 and comes in Silver, Black, Gold, Stealth, Brushed Silver, and Deep Rose. Oura says this is its most scratch-resistant ring so far because of a stronger physical vapor deposition coating. It also has an IP68 rating and is waterproof to 100 meters.…