Mini Skin Colored Ear hang microphone BL-HS56
Capsule:Condenser microphone capsule                         
Mic diameter:  Φ3.0*1.5 mm
Polar pattern: Omnidirectional 
Sensitivity:-45dB±2dB                                      
Frequency Range: 20-20KHz
Output Impedance: ≤2.2kΩ                          
Standard Operation Voltage: 2.0V-10V.DC      
SNR: >63dB 
Wire: 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