... clothes/shoes,LED flash module , motion flashing led light , outdoor light flashing lights with sound :1.Application:for shoes, clothes, ... . PCB Size: 70mm*30mm; 40mm*25mm customized is avaiable6. Components: Voice IC,PCB board, speaker and battery7. Sound formate: ... MP3,WAV8. Switch Option: Pull-tab switch, push button, light,motion, vibration activated the sound9. Battery: 2-4pcs cell battery ...