WHITE NOISE MACHINE BABY: With its fetal heartbeat sound, our baby sleep sound machine mimics the sound of a mother's womb, which helps newborn babies fall asleep faster and stay asleep longer. At nap time or nighttime, this audio machine will help keep your baby asleep. A sleeping baby means more sleep for the whole family! 16 HIFI SOOTHING SOUNDS: Imagine a trip through the forest on a summer night. In addition to the chirping of insects and birds, you can hear the ocean waves in the distance, water flowing in the valley, and a sudden rain... Equipped with 6 white noises, 4 lullabies, and 6 nature sounds, the white noise machine can effectively mask disturbing or frightening sounds and protect sleep quality. SLEEP MACHINE: Our sleep sound machine provides you with colorful nighttime care using its unique seven-color night light. It has been proven that babies fall asleep easily with warm lights and lullabies. TIMER AND MEMORY FUNCTION: The sleep sound machine can play continuously or has an automatic shut-off timer for 15, 30, 60, 90, or 120 minutes. Set a timer on the sound machine to make the most effective use of it. In addition, the white noise machine remembers your previous settings for light, sound, and volume, so you don't have to press buttons all the time! TURN YOUR BEDROOM INTO A SLEEP SANCTUARY: This thoughtful white noise machine is designed to shield you from noisy neighborhoods, noisy car whistles, nearby dog barks and snoring husbands. Enjoy sweet dreams throughout a quiet and peaceful night.