1)Prank button set the REC/PLAY switch to REC 2)Press and hold the top button.When you hear a single”beep”,record a message of 30 seconds or less.When you’re done ,release the top button.A double”beep-beep”signifies a successful recording.For best results,Keep the audio source about 1 foot from the mic. 3)To listen to the recording ,set the REC/PLAY switch to PLAY.Press the top cover to play sounds. 4)Powered by either 2 AAA batteries (included)