30 Non Looping Sounds for Noise Canceling Our sound machine has 30 Non- looping natural soothing sounds including 3 white noise like brown noise, pink noise and white noise, 2 fan sounds and 15 nature sounds like rain, river, thunder rain, sea waves, singing birds and 10 lullabies. It can block animal calls, neighbor noise, street noise, urban traffic and used for sleep aid, sound therapy, concentration, privacy protection and anxiety relief. Suitable for baby kids adults students and elderly. • [12 Night Lights Create Comfortable nvironment] The white noise machine has unique 12 color night lights and 10 adjustable ight lights creating a romantic and warm environment for your favorite style. It can choose different light colors and brightness to meet the needs of different scenarios, which can be used in the office, nursing baby, bedside sleep. It can be used not only as white noise, but also as a night light, or as sound and light simultaneously, giving you a triple experience. . [C5 Times & Memory Function) This sleep machine has 5 timing functions, you can set 1 hour, 2 hours, 3 hours, 4 hours or choose continuous playback. Timing function let you free your hands, peace of mind sleep. In addition, The sleep machine also has a memory fungtinn to remomher the cound track liahBlack noise machine with blue light base. Features multiple buttons for easy control.