... Duration: OTP type,30sec,60sec at 8K sample,flash type up to 1000sec2.Component: Paper Card, Voice chip, Speaker, Buttonsor tongue ... and Battery.3.Voice playing : clear ,loud and vivid4.play up to 600times base on the battery storage and voice duration5 ... ,speaker and battery7.sound formate:MP3,WAV8.switch option:pull-tab switch,push button,light,motion,vibration activated the sound9.battery:2 ...