Feature:
      
     Active buzzer, no frequency signal, only need to offer signal to level can sound
     Suitable for button prompt, prompt warning and so on
      
     Specification:
      
     Size: 26 * 21mm
     Voltage: 5V
     Port: Digital level
     Platform: , microcontroller
      
     Package includes:
      
     10 x Active Buzzer Module
   
   
   
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