[Natural Recording, Soothing Sound] Collecting from the nature, the 28 relaxing sounds (white noise, rain, Brook, lullaby etc.) can create a safe & comfortable atmosphere to coax your baby into sweet sleep. [Sophisticated Design, Ear Safety]The minimum volume of is 45dB(20 inches) with wide range of volumes of 32 levels, which is an absolute safety for your baby's ear protection [Press Control, Warm Light]The 2700K soft light source can reduce baby's anxiety and coax them into sleep quickly [Timer Setting, Memory Function]Featuring 3 timer options 30, 60, 90 min, you can also leave the sound machine on all night. The memory function can remember your last sound and volume settings. Package Contents: 1 * White Noise Machine 1 * USB cable 1 * Manual.