Sick of your smart ring's battery not holding up? Ultrahuman's new $479 Ring Pro smart ring, unveiled on Friday, offers up to 15 days of battery life on a single charge. The Ring Pro joins the company's $349 Ring Air, which boosts health tracking, thanks to longer battery life, increased data storage, improved speed and accuracy and a new heart-rate sensing architecture. The ring works in conjunction with the latest Pro charging case. Ultrahuman also launched its Jade AI, which can act as an agent based on analysis of current and historical health data. Jade can synthesize data from across the company's products and is compatible with its Rings. "With industry-leading hardware paired with Jade biointelligence AI, users can now take real-time actionable interventions towards their health than ever before," said Mohit Kumar, CEO of Ultrahuman.…