... pre-recorded in the sound badgePushbutton activation1pc CR2032 batteries, on/off switch on the side to control power and protect batteryCustomized logo, ... for event promotion with logo and soundSafety button on the back for attaching on cloth, toys and moreMaterials: ABS casing, ... printed sticker plus epoxy resin on the surfaceSize: 50 x 50 x 10mmAll trademarks shown ...