Firefly is a low-cost phototherapy device used to treat jaundice in newborns developed by Design that Matters, East Meets West Foundation, and the Vietnamese manufacturer MTTS. It is designed for use in rural hospitals. The device includes top and bottom fixed light phototherapy to ensure continuous and effective treatment to the newborn. It also has an enclosed housing and a removable bassinet that can easily fit on a tabletop. Firefly incorporates DtM's award-winning infant thermoregulation and continuous positive airway pressure technology. It is priced at $350 and is currently being tested in Vietnamese hospitals.