Product Description: switch on/off button: button compatible with play/pause function, press the button once to play music, and then press the button once to stop playing; motor works synchronously with music: motor rotates when playing music, motor stops rotating when music is paused.< br>Mode button: song switching function, a of 35 music, each button once to play the song; do not press the button music automatically play to the song.< br>Volume selection button: these two buttons have the same function, a of high / medium / low 3 grades of volume selection, each press the button once the volume will be cycled between the high / medium / low 3 grades to select.< br>Arbitrary volumeThe traditional baby music box has 3 levels volume options onlycrib mobile motor adopts stepless volume, you can choose the most appropriate volume from 0 to 100. Farewell to the traditional mobile music box.< br>Soft music35 lullabys, which can be switched at will. Last one, one. Choose your baby's favorite music and go to sleep quickly.< br>User friendly designAutomatic shutdown after 30 minutes CompatibilityFit most crib mobile hanger,crib mobile arm2 AA batteries are required, not included.< br>Colour:White Material:ABS Package Contents:1 x musicbox Note: 1. Due to manual measurement, please allow a small error. Please make sure you don't mind before bidding 2. Colors may vary depending on the display. Please understand Note: Hello, please pay attention to your shipping address when purchasing products. If your receipt information (such as name, street, house number, doorbell/email without name, etc.) is incorrect, the order will not be delivered correctly