• Speaker size:40mm              

• Impedance:32 Ω                   

• Frequency range:20-20Khz Sensitivity:112dB+/-3dB                

• Cable Length:2m+/-10%             

• Max imput power:20mW             

• Plug:3.5mm                       

• Mic Size::Φ6.0x5.0mm 

• Sensitivity:-54dB+/-3dB 

• Directivity:Omnidirectional   

• Impedance:2.2K ohms