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 crying. Benefits: Helps your baby relax and instant sleep. Colic soothes babies. Application is always on position even when the screen is turned off. Sounds: - Vacuum Cleaner - Washing Machine - Hair Dryer Blowing - Heart Beat - Doppler Ultrasound - Doppler Ultrasound Slow - Mother Shh - Ocean Waves - Jungle - Ventilator - Shower - Airplane - Train Ride - Car Ride - Truck Ride - Rain - Music Box - Water Dripping - White Noise - Pink Noise - No Signal