Specifications:

• Wire of the fans : 28-30CM around
  
• Size : 30*30mm
  
• Noise: 18 db 
  
• Number of revolutions: 13200RPM
  
• Air Volume: 5 m3 / h
• Current: 0.2A-0.16A
• Operating voltage: 4.5-5V
  
• Rated voltage: DC5V
• Use: for CPU Acrylic Case / 5V plug-in and play