5 natural sounds: White Noise, Rain, Ocean, Lullaby, Hear Beat, great for relaxing yourselves and comfort your baby
3 time setting modes:30Min/60Min/90Min, sounds automatically stop when time is up.
Support TF card: insert your tf card (not included) and listen to your favorite music.
White Light: this sleep sound machine could also be used as a night light,especially if your baby or child is afraid of the dark.
Adjustable Volume and it can be powered by AC adaptor or USB.