Versatile and Convenient: With multiple sound options including white noise and nature sounds, the Sleep Sound Machine is perfect for home, office, travel, and more, creating a calming environment wherever you are.under pillow speaker bluetooth,release stress, help sleep, the white noise environment soothes the brain nerves, reduces the body's concentration of operations, relaxes the brain's consciousness, and makes it easier to fall asleep.you need to press a pillow against the pillow speaker to get good sound quality,white noise machine for adults sleepingHow to use You can place the sleep aid sound on the pillow, and use the bone-transmission vibration generator to automatically reduce noise. It can clearly transmit the sound to the ear nerve without wearing it, saying goodbye to the earache caused by traditional earphones/sounds.Timing function design just double-click the M button, it will automatically shut down in 30/60 minutes, free your hands, and let you sleep well all night. (please adjust the volume through your phone)Portable and Convenient: Compact and lightweight, our Sleep Aid Sound Machine is perfect for home use or travel. Take it with you wherever you go to create a familiar sleep environment, whether in a hotel room or camping outdoors. for on-the-go relaxation.