Beige Headset Microphone BL-HS4
 
Specifications:
Type：Condenser
Cartridge Diameter:φ4mm                       
Polar Pattern：Omni-directional
Sensitivity:18mv/Pa(-45dB±3dB)             
Frequency Response:100~20KHz           
Output Impedance:1KΩ±30%
Power: 2.0V-10V.DC                                 
S/N:≥58dB
Cable:1.2M

Connector options
A1: 3.5mm Angle plug
A2: 3.5mm straight plug
B: 3.5mm male screw plug
C: 3.5mm female screw jack
C2: 3.5mm female screw jack (similar with Sennheiser)
C4: Mini 4 pins XLR plug (similar with MIPRO)
D3: 3 pins xlr
D4: 4 pins xlr
D4S:4 pins xlr (similar with Shure)
T4: 4 pins xlr for Audio-technica