... add any sound,light,recording function and part, element in new product. 12. Components: PCB,sensor,voice chip,speaker,LED indicator and ... ,shake control,consumer’s need) 14. Function: melody/music play;recording consumer voice;used as flashlight ;store private photo.(more or ... :mp3 or wav 17. Sound source:custom-made,consumer’s recording 18. The sound time: 2s-10s. any long by practical ...