Features 1.This is a head wear headset, comfortable to wear, sound quality fidelity. 2.Tone picking angle can be adjusted at will. 3.The microphone is a heart-shaped directional electrode capacitor microphone, which can effectively eliminate noise interference and improve voice gain. 4.Widely used, mainly for waist mounted wireless transmitter. 5.It is widely used in sports, performances, police, telephone operators, loudspeakers, telephones and other situations. specificationFeatures:_x000D_ _x000D_ This is a head wear headset, comfortable to wear, sound quality fidelity. _x000D_ Tone picking angle can be adjusted at will. _x000D_ The microphone is a heart-shaped directional electrode capacitor microphone, which can effectively eliminate noise interference and improve voice gain. _x000D_ Widely used, mainly for waist mounted wireless transmitter. _x000D_ It is widely used in sports, performances, police, telephone operators, loudspeakers, telephones and other situations. _x000D_ _x000D_ :_x000D_ Condition: 100% Brand New_x000D_ Item Type: Mini Mic_x000D_ Material: ABS + metal_x000D_ Color: as picture shown_x000D_ Plug: Mini XLR 3pin TA3F_x000D_ Type: Head wear_x000D_ Sensitivity: -463dB_x000D_ Frequency response: 40hz-12.5mhz_x000D_ Signal to noise ratio: 70dB (A)_x000D_ Maximum pressure level SPL: 130dB_x000D_ Output impedance: 1500 ohms +/ -30% (1 kHz)_x000D_ _x000D_ Package List:_x000D_ 1 x Mini Mic PackageList