10 Types Of Soothing Sounds:10 types of non-repeated, smooth and natural sounds, including natural sounds and baby lullabies. You can choose the sound you like to release from your busy work and effectively relieve irritability, tension, and irritability Emotions. TIMING MODE:The white noise machine can play continuously, and you can also set a 15/30/60 minute automatic shutdown timer to avoid forgetting to shut it down when you fall asleep. With timing memory function, when the white noise machine is turned on again, it will automatically restore your last settings. SAFE MODE:Long press the Auto button until the white light turns on to start the monitoring function. Once there is a baby crying, the white noise machine will automatically sound, automatically turn on the music and stop after 15 minutes, the detection distance is 6-10m. PARENTING ASSISTANT:white noise machine is a sleeping noise machine suitable for babies, which allows mothers more time to do whatever she likes. For parents of newborns, white noise is an effective sound therapy that can stop the baby's crying. SMALL AND PORTABLE:USB fast power supply, long battery life, 9.3*8*2.8cm small size, can be easily put in a bag or suitcase, very suitable for home, office, car and travel, can be used anywhere, perfect for traveling companion. It is the best gift for family, friends and parents of newborn babies.