1.To Get A Better Sleep: Our white noise machine has built-in 14 exclusive sounds to create different listening environments. Soothe your nerves, let you immerse in a more relaxing environment, and help you fall asleep quickly. 2.Bluetooth function: Long press the Bluetooth button "Bluetooth", the voice prompts to switch to Bluetooth mode, then turn on the mobile phone's Bluetooth connection, and the connection is successful. Long press the pause button "Pause" to exit, then switch to white noise mode. 3.Night Light & Multi-color Ambient Light: Warm light and light on can be adjusted in two mode for you to choose. When waking up in the middle of the night to feed or change diapers, the soft night light will not irritate the baby, and it can also provide a warm sleeping environment for the baby. 4.Adjustable White Noise Machine: We can set the timing such as 60/120 minutes to meet your listening needs of the device. At the same time, there are various kinds of volume levels that can be set, which can well isolate the noise, get into a relaxed state faster. 5.Memory Function: Our sleep machine can remember the sound and volume you set last time, you don't need to reconfigure it. And the speaker area covers the mesh, which is large enough for you to touch and operate easily, quickly and conveniently.