[4-in-1 Sound Machine for Sleep and Relaxation]:This portable sound machine functions as a white noise machine, aromatherapy humidifier, essential oil diffuser, soft warm night light, and Bluetooth speaker. The Sleep & Sound Therapy System supports babies, kids, and adults in bedrooms, nurseries, offices, or while traveling. Use it as a sound machine baby sleep aid, white noise night light humidifier, or travel sound machine—your all-in-one solution for improve focus and sleep quality. [255 Natural White Noise Combinations]: Offers 8 natural white noise sounds including Thunderstorm, Ocean Waves, Babbling Brook, Bonfire, Birds, Frogs, Singing Bowl and sleep music.This white noise machine for sleeping adults and babies has individual sliders for each sound, allowing 255 different mixes for sleep, study, meditation, or background masking.Use it for blocking traffic noise, snoring, noisy neighbors, or office chatter--a powerful nature sound machine and sound therapy device. [3 Levels Warm White Night Light]: Press the Night Light's mist button to activate the flame effect,the mist light and bottom light each have their own dedicated button,offering flexibility for any mood or moment. Soft ambient glow with adjustable 3 brightness levels(low, medium, high),shusher baby sleep.Night light sound machine for babies also to make nighttime parenting easier---no harsh glare, no need to stumble in the dark, and won't interrupt your partner's rest. [Aromatherapy Fusion Humidifier & Essential Oil Diffuser]: Instantly refresh dry air with a cool mist while infusing your space with calming essential oils like lavender or eucalyptus. This 150ml essential oil diffuser runs up to 10 hours, making it a great choice for relieving stress, improving sleep, and enhancing breathing comfort during meditation, yoga, or bedtime routines.(Tips:Support water-soluble aromatherapy, pure oil will clog the atomizer port) [Auto Shut-Off & Smart Timer Control]:Features built-in dry-run protection that automatically stops misting when water runs out—preventing damage and ensuring safety. With a 30/60/120-minute timer, the device powers off all functions—including humidifier, white noise, Bluetooth speaker, and night light.Whether you're using it as a portable white noise machine for baby sleep,or an office sound machine—once the countdown ends, giving you peace of mind whether you're sleeping, working, or caring for baby.