Speaker:30 mm Dynamic type   　
 
Impedance:32 ohms    
Sensitivity:101dB±4dB   
Frequency:100～15000Hz   
Max.Input Power:100 mW  
Microphone:Condenser type   
Polar Pattern:Omni-directional   
Sensitivity:-58dB±3dB(OdB=1V/μBar at 1KHz),
            -38dB±3dB(0dB=1V/Pa at 1KHz)
Frequency:50～16000Hz   
Cord length:(2.3M) ±5%   
Connector:3.5mm stereo plug×2

Packing: come with Blister Pack
 Size of ctn：65*33*33CM, 
 50pcs/ ctn  
  N.W: 6.5kg
 
 G.W: 7.5KG