25 Seconds Recording Module Professional Button DIY Sound Chip Module with Double Faced Adhesive Tape for Greeting Card Item Type: Recording Module Material: PCB Recording Duration: 25 Seconds Supply Voltage: 3.0V Record Button: Small Red Button Playback Button: Large Black Button With LED Indicator: Long Light When Recording, Blinking When Playing Battery Type: CR2032 Button Cell One Battery Capacity: 240mAh (Including) Operating Instructions: First pull out the yellow insulating piece to work. Press the record button to start recording, then press the record button to stop recording. Press the playback button to start playing, in the process of playing, if there is no operation will automatically play once to stop, if you press the playback button will stop playing. The double sided tape on the back can be torn off and pasted on the top of greeting cards or photo frames, etc.