The product is intended for use from 0 to 5 months of age of Your child. The music bed mobile has only entertaining functions. Do not allow the child to pull the toys. This product stimulates the child`s auditory and visual perceptions, and also contributes to easier falling asleep of the baby and its calm sleep. The music mechanism has an ON/OFF/MUTE button. There are 5 melodies in total, each lasting about 1 minute. They will alternate one after the other. After approximately 30 minutes, the music bed mobile will turn off automatically. To turn it back on, push the button to OFF position and then back to ON position. MUTE function - the sounds will stop and the toys will continue to rotate. The music bed mobile works with batteries (3 x 1.5V AAA).