... Item: H-0346,10,15,20,30,60 seconds push play switch, detachable push record switch, AA×3 battery box case speaker ... Item: H-0356,10,15,20,30,60 seconds push play switch, detachable push record switch, AA×3 battery box case size ... ,20,30,60,90 seconds recording press the button for recording, release the button when finishing speaking, The Led Light will flash, It means that ...