White Noise Sound Machine includes 10 true alpha brainwave sound, It 's not only a sound machine for sleepless adult, but also a sound machine for baby, kids, and old people. Sound Machines for Sleeping White Noise Machine features total 10 All professional Alpha Brainwave sound for adults to sleep easily.Keep listening often,It can enhance memory,deeply relax the brain, relieve stress, anxiety. The next day's work has a good start after giving your brain a good rest. White Noise Sound Machines for pregnat women Alpha brainwave sound is a the functional music of prenatal education for pregnant women, stimulates the potential of the right brain of the baby in the abdomen, and inspired music. Warm Night Light For baby sleeping This sound machines for sleeping provides soft yellow lighting to make your kids feel more secure. The baby fall sleep easily under soothing light and comforting sound background. Earphone Allowed makes Great Companion for Office Workers With this noise machines for sleeping, you can focus well while you are working, so you can get things done quicker. Besides, built-in a headphone jack allows you to listen privately so you won't disturb others. If you want a nap after lunch at office, it's just the perfect unit to cut out the noise from others (chatting, typing, etc). Package Includes White Noise Machine X 1 Type c -1.5M X 1 User Manual X 1