Usage Tips:* switch on/off button: button for play/pause function, press the button to , and then press the button 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 12 music, each button to play the song; do not press the button music automatically play to the song.<br>*Volume button: these two buttons have the same function, a of high / medium / low 3 grades of volume , each press the button the volume will be cycled between the high / medium / low 3 grades to select.<br>[Arbitrary volume]The baby music box has 3 levels volume only.crib mobile motor adopts stepless volume, you can the most appropriate volume from 0 to 100. Farewell to the mobile music box.<br>[Soft music]12 lullabys, which can be switched at will. Last one, one. your baby's favorite music and go to sleep quickly.<br><br>[ friendly design]Automatic shutdown after 30 minutes<br>[Compatibility]Fit most crib mobile hanger,crib mobile arm.2 AA batteries are required, not included.<br>Colour:White<br>Material:ABS<br>Size:14 x 9 x 3.5CM<br><br>Package Contents:<br>1 x musicbox<br><br>Only the above package content, other are not included.<br>Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed is +/- 1-3cm.