CUSTOMIZABLE EQUALIZER SETTINGS: There are also 4 equalizer modes available that helps you further customize a selected sound into pop, rock, jazz or classical style to suite your mood and preference, and a 3.5-mm headphone jack is also built-in for immersive listening experiences to prevent disturbing others around you.EASY TOUCH CONTROLS: The large touchable speaker mesh can be used to turn the light on or off; allowing you to easily turn on the light in the dark. Choose from 7 different ambient lights and a default nightlight.TECHNOLOGY: sound machines incorporates the most advanced audio non-loop technology and dynamic random audio generation technology. All the soothing sounds are fully tested in our Sleep Lab; We GUARANTEE there are no annoying looping noises or patterns.30 HIGH-FIDELITY SOOTHING SOUNDS: White noise, pink noise, brown noise, fan noise, nature sounds and lullabies. With up to 32 volume settings, the white noise machine effectively blocks out external noises, helping you and your family immerse themselves in a relaxing environment and improve significantly the quality of sleep.