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