• 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