... function is availableOEM/ODM is welcome Customized music and function requirements are welcome !General informaiton for ... cardboard,plastic etcShape:any kind of custom design and artworkElectroic sound module:1.message:voice,music,melody ... :1-340s,even more if needed 4.speaker size:Dia 16,23,27,29,36,40 ... is avaiable 6.components:voice IC,PCB board,speaker and battery 7.sound formate:MP3,WAV 8.switch ...