... sound 3,recording time:0-270sec 4,OEM or ODM sound badge 1,custom size and sound ... sound 3,recording time:0-270sec 4,OEM or ODM design is welcomed 5,Material :ABS ,EVA ,PVC ... etc.PLastic6,Speaker :29mm7,Batteries:3xAg10 or 138,Your custom sound with mp3 or ... wave file format is good,So that we can ...