The Slumber Bearis still the only product of its kind to contain a recording of actual intra uterine sounds which really does help to lull your baby to sleep in minutes.Invented by a doctor, theSlumber Bear Premiumcontains a new 5 functionsound box that tucks safely inside the bear, still with the intra uterine recording, but also with an orchestra playinglullaby features, nature sounds featuring ocean waves, rain and whale noises, white noise anda recording featureso that you can record yourbab