4 Timers & Memory Function: The portable sleep noise machine can play continuously or choose 123 hours auto-off timer. With memory function, the sound machine remembers the last used sound and volume settings for quick and easy setup.36 Volume Levels: With 36 Levels of volume and louder speaker, no worries about the volume is too high or too low.It provides high-fidelity sound, perfect for sleep more deeply, relieve anxiety and fight snoring.12 Colors Night Light & 10 Adjustable Brightness Levels: Sound machine with 12 colors night light to create the perfect atmosphere as a sleep aid for kids, adults or babies. Also it has 10 adjustable brightness, soft light for your bedroom without worry about the light is too bright disturb sleep.Easy to Use: With simple design and large enough button help you easily turn on/off the sound playing, turn on /off the nightlight. It's perfect soothing baby sleep assistance, it is ideal for night time feeds.30 Natural Soothing Sounds: This white noise machine has 30 kinds of soothing sounds, giving you a relaxing sleep atmosphere and a refined listening experience. It has 3 white noiseBrown, pink and White Noise), 2 fan noises( Loud and Soft Fan), 10 lullabies and 15 natural sounds( Rain, Sea waves, Brook, Bird, Train, etc.).