Microphone Camera for DSLR

Specifications:
Color: Black
Material: PP
Type: MS (Mid-Side) stereoscopic system
Sensitivity: -40dB
Output impedance: 200Ω
Directivity: Omni-Directional *2
Signal to noise ratio: 76dB
Power requirement: 3V CR2 battery
Power supply: DC 3V
Cable length: 22cm
Microphone interface: 3.5mm
Product size: 13.5*3*6.5cm