No internet required... Includes perfectly looped 21 sounds that your baby will love. With White Noise Baby Sleep Sounds "Happy Babies and Happy families!" White Noise Baby app has Auto Shutdown Timer. You can set time or minute and application will be closed when the time is over. With the 21 types of voices in the application of "iWhite Noise Baby Sleep Sound" app present similar sounds as its in the womb. Your little cute baby feels in confidence and relax like in the womb and stops cryin