The simplest white noise app for calming crying & colic babies and helping them sleep. The only one that can automatically adjust volume to match noise level. FEATURES: * Stereo sounds * Simple to use * Manual & automatic volume control * Supports playing in the background while using other apps or with screen lock * Small file size * Designed for low battery usage - tested more than 15 hrs on single charge (actual usage could vary depending on your settings) SOUNDS: * Shhhh * Fan * Shower * Washing Machine * Clothes Dryer * Radio Static * Hair Dryer * Vacuum