Vertex Voice USB Headset
➫ Noise Cancellation➦ Moving coil dynamic speaker
➦ Integrated product Sensitivity : 105±5dB@1KHz
➦ Electorate condenser microphone (BACK)
➦ Current consumption : Max: 0.4mA
➦ S/N ratio : Min: 58dB @1kHz
➦ Impedance : Max:2.2kΩ @1kHz