Features:1. It can record music according to your requirements or what you want to say, up to 30 seconds.2. Function: Trigger the button to play music, or loop play.3. It can be used for: Xmas cards, gift boxes, jewelry boxes, crafts, children toys etc.4. 3 AAA battery power supply, 16 0.25W environmental horn, the sound is large enough.5. Use the button sensor to control the voice movement, adopt environmentally friendly PCB board.Specification:1. Recording time: 30 seconds2. Play mode: loop play3. You can repeat the recording, each recording will replace the last recording.4. Horn diameter: 40mm, thickness: 5mm, button line length: 5cm5. Working voltage: 3.0V-4.5V.6. Board size: about 31*21mm7. The button and speaker cable are 5cm long.8. 3 section 7th battery box line length: 15cm9. Power supply mode: 3*AAA battery power (Not Included)Package List:1*Greeting card moduleRecording and Playback Operating:1. Press the record button, hear the "DI" sound and release the record button, then speak at the distance of 5-10 cm from the microphone to start recording.2. Press the record button again, and hear the drop sound release button to indicate that the recording is complete.3. Then press the play button again to play the currently recorded sound. Press the play button again during playback to stop the sound..