①. The A800 white noise machine combines noise reduction, night light and sleep aid in one easy-to-use device. ②. It has useful features such as soothing sounds, light level adjustment, timers, volume and more. ③. It is not only a baby sleep aid sound machine, but also an effective white noise machine for adult sleep and relaxation. ④. Use it to create a peaceful sleep environment that helps you fall asleep, calm down a crying baby and fall asleep. ⑤. Choose from 16 soothing sounds, including white noise, thunderstorm, ocean waves, streams, birdsong, electric fans, washing machines, baby heartbeat, baby sounds, playground sounds, fan sounds and 3 lullabies. ⑥. Specially designed for babies and new parents, the A800 sound machine has an adjustable night light, perfect for midnight feedings, while the warm tones help keep you and your baby comfortable and sleepy to keep the mood up. ⑦. Whether you're at home or traveling, bedtime is important and should always be associated with baby fun. ⑧. Our baby sleep device features fetal heartbeat sounds that mimic the sounds of the mother's womb, helping newborns fall asleep faster and stay asleep longer. ⑨. The smart memory function automatically saves all previously set parameters without resetting.