Ultrahuman ramps up U.S. push with Ring Pro as Oura tightens its grip
Ultrahuman, a Bengaluru-based health-tech startup known for its smart rings, is attempting to revive its U.S. business after securing approval for its Ring Pro, setting up a renewed battle with Oura, which has strengthened its dominance in the interim. The latest approval, granted by U.S. Customs and Border Protection, comes less than a month after…