More Customizations: 30 levels of volume(10db-95db), 5 levels of brightness, 1/2/3 hour auto-off timer (or non-stop playing). Optimized ergonomic button layout to help position even in the dark. Space-saving (4.2 in*3 in*4.2 in), comes with a 59-inch power cord and adaptor, long enough to plug in the socket near the bed. More Comfortable & Natural Light: Bilayer lampshade softens the light, provides comfortable and natural nightlight, no flicker, no dazzle, and has an preserving eyesight. 3 Nature-inspired Ambient Night Light Settings: Raindrop - simulates continuous rain; Heart Breathing - gentle, slow pulsating; Vibrant Summer Rainbow - slowly moving and mingling vivid colors. Coupled with matching sounds, it creates a serene sleep atmosphere, promoting quicker sleep induction. NEW Innovative Speaker: 21 soothing sounds, meditation sound & lullaby(new add), 5 white noises(white, pink & brown noise), 3 fan sounds (different speed), and 11 nature sounds such as ocean waves, light/heavy rain, summer night, campfire, forest (birds), stream, thunderstorm, wind, etc. A baby's heartbeat mimics a mother's womb ambiance, helping newborns fall asleep faster and stay asleep longer. White Noise Sound Machine with Light Therapy - Enjoy an improved 21 sounds & 11 nightlights themed therapy experience. By playing the rain sound and raindrop light, create a relaxed and natural rainy night ambience, help you fall asleep faster.