... size:85mm Dia x33mm H 1,custom sound and logo 2,0-270sec sound 4,press the top to play pre ... -recording sound sound button 1,size:85mm Dia x33mm ... H 2,custom sound and logo 3,0-270sec sound 4,press ... mp3 or wave file format ,So that we can record sound into the chip of music button.8,Pls send your ...