Driver Diameter:40mm
Mic Sensitivity:-38db+/-3db
lmpedence:32Ω±15%
Mic Diameter:6.0*5.0mm
Sensitivity:115+/-5db
Directivity:All directivity
Frequency:5OHz-20KHz
Cable length:1.5M +/-0.1M
Rated Power:25mW
Headset interface:3.5mm 4 Pin