Posted Mar 24, 2026 at 1:00 PM UTCDUltrahuman is back in the US, starting with the Ring Pro.Its smart rings disappeared from sale following a patent dispute with Oura, but the Ring Pro has been cleared to launch thanks to a redesign. Preorders start today from $399, with some discounts for early buyers and no ongoing subscription cost, but the rings won’t ship until May 15th.Follow topics and authors from this story to see more like this in your personalized homepage feed and to receive email updates.Dominic Preston