... :AG10*3PCS/aa/aaa battery7.function:can be used in plush toy,stuffed toy,electronic toy,educaiton books ,advertsing magazine and ... which need to play sound or flash General information for plush teddy speaker/music box 1.message:voice,music,melody,sound ... material:ABS(GREEN)6.speaker size:20mm-40mm7.sound formate:MP3,WAV8.switch:slip switch,push button,light,motion,vibration,timing ...