Sound Effect Integrated Circuits - HK638-x

 Natural sound effect for sing a X.mas 
   song output .    
 Built in audio amplifier , do not need
   transistor on output for sound 
   amplifier .
 TG pin touched has one song out-
    put directly 
 Trigger mode by one shot non re-
    trigger type .
  Sound list :
   uHK638- 1
      Jingle Bell song
   uHK638- 2    
       Ho - Ho - Ho Merry Xmas (
             Father Christmas speech ) with 
          2 times + Xmas song