1)YUNSHENG BRAND,Largest manufacturer of mechanical musical movement in the world, better quality&service.
2)Miniatiure 18-Note music movement with case.
]3)Spring-operated,Bottom wind-up by KEY
4)Applicalbe to Dolls
5)More than 1000 tunes for your selection, and can custom new tunes for you.
6)Pass Europe EN71 safe standard,RoHs,2005/84/EC,REACH And CPSIA  etc.enviromental detection