* 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.*Mode button: song switching function, a of 12 music, each button once to play the song; do not press the button music automatically play to the song.*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.[Arbitrary volume]The 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.[Soft music]12 lullabys, which can be switched at will. Last one, one. Choose your baby"s favorite music and go to sleep quickly.[User friendly design]Automatic shutdown after 30 minutes[Compatibility]Fit most crib mobile hanger,crib mobile arm2 AA batteries are required, not included.Colour:WhiteMaterial:ABSSize:14 x 9 x 35CMPackage Contents:1 x musicboxOnly the above package content, other products are not included.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. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it