811
    811
    SPEFICIATION:

    Speaker:
    Horn diameter: 50mm
    Impedance: 22Ω±10%
    Horn sensitivity: 110±3dB
    Frequency response: 20Hz-20kHz

    Microphone:
    Mic Diameter: 6.0mm*2.7mm
    Sensitivity: -42±3dB
    Impedance: 2.2KΩ
    Cable Length: 2.1M±0.15M

    Plug Type: 3.5mm Jack+ USB
    Working voltage: DC5V±5%