... etc..Components:PCB,IC,speaker,microphone,batteries,wire harness,switch..etc,according different items.Sound module activated: by ... slide) switch,light sensor,infrared sensor,voice sensor,vibration sensor,temperature sensor,timing,etcMessages: voice, music, and sound, customized sounds ... RoHs,FCC,ISO9001:2008,SGSOEM/ODM idea is welcome, customized sound,shape,size and all requirements are no problem. ...