Sound Recorder Module with Speaker 4 Minutes Recording Music Voice Recording Module for Greeting Card Item Type: Voice Recording Module Material: ABS Sound Recording Time: 4 Minutes Battery Type: Triple A Battery x 3 (not included) Playback Mode: Play Once Speaker Diameter: Approx. 40mm / 1.57in Speaker Thickness: Approx. 5mm / 0.20in Key Wire Length: Approx. 5cm / 1.97in Recording and Playback: Press and hold the recording key, hear the beep sound, speak into the microphone to start recording, press the recording key again, hear the beep beep sound, release the recording key to complete the recording, press the key again to play the recorded sound once