Oura در حال عرضه عمومی است، اما این شرکت‌های حلقه هوشمند به دنبال تاج آن هستند

Oura is going public, but these smart ring companies are coming for its crown

While Oura has largely dominated the smart ring market for years, a growing number of rivals are now racing to dethrone it by trying all sorts of approaches to get an edge over it.