Features 1.Customizable to record music or whatever you want to say for up to 4 minutes. 2.Function: light sense to trigger button and play music. 3.3 AAA battery power supply, 8 0.25W environmental speaker, the sound is large enough. 4.This module has been welded with microphone, key, speaker and battery, etc., and can be used after receiving the product, which is very convenient. 5.Great for Christmas cards, gift boxes, jewelry boxes, crafts, children's toys etc. specificationFeatures:_x000D_ 1. Customizable to record music or whatever you want to say for up to 4 minutes._x000D_ 2. Function: light sense to trigger button and play music._x000D_ 3. 3 AAA battery power supply, 8 0.25W environmental speaker, the sound is large enough._x000D_ 4. This module has been welded with microphone, key, speaker and battery, etc., and can be used after receiving the product, which is very convenient._x000D_ 5. Great for Christmas cards, gift boxes, jewelry boxes, crafts, children's toys etc._x000D_ _x000D_ :_x000D_ Condition: Brand New_x000D_ Recording time: 4 minutes_x000D_ Working voltage: 3 button batteries 3.0V-4.5V (Batteries are included)_x000D_ You can repeat the recording, each recording will replace the last recording_x000D_ Board size (L*W*H): 46 * 27 * 10mm/1.8 * 1.1 * 0.4in_x000D_ Speaker Diameter: Approx. 40mm/1.6in_x000D_ Speaker Thickness: Approx. 5mm/0.2in_x000D_ Key Cable Length: Approx. 5cm/2in_x000D_ Optional Play Mode: Single Play, Loop Play_x000D_ _x000D_ Package List:_x000D_ 1 * Greeting Card Module_x000D_ _x000D_ Recording and Playback Operation:_x000D_ 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._x000D_ 2. Press the record button again, and hear the drop sound release button to indicate that the recording is complete._x000D_ 3. Then press the play button again to play the currently recorded sound. Press the play button again during playback to stop the sound._x000D_ _x000D_ Note:_x000D_ The key with red wire is recording key, and the key with black wire is playing key. PackageList