It 's not only a sound machine for sleepless adult, but also a sound machine for baby, kids, and old people. It's portable, lightweight and offer warm light to lull users into sleep. Dreamegg Sound Machines for Sleeping Do you often struggle to sleep at night because of external noise or an overactive mind Set the perfect mode for sleep and relaxation with the Dreamegg Sleep Therapy Sound Machine to tackle all the problems. Why choose Dreamegg white noise sound machine Perfect for Light Sleeper and Insomniac with Various Sound choices Built-in high-end quality speaker, equipped with 21 crystal clear sounds provides you comfortable listening experience.Compared with other brands'sound machines, this noisemaker has 21 sound choices while others only have 7. So it provides more vivid simulation of nature sound, and you can get into your zone quicker and deeper. Ideal For Soothing Baby with Optional Smoothing Night Light This sound machines for sleeping provides soft yellow lighting to make your kids feel more secure. Children tends to fall asleep easier 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).