Camera photography microphone

Power supply mode: DC3V (CR2, 3V lithium battery)
Material: ABC
Type: Back-pole condenser microphone
Color: black
Pointing characteristics: single point x2
Size: 22*130mm
Frequency response: 30-15000Hz
Output impedance: ≤200
Signal to noise ratio: 76dB (1KHz at 1 Pa)
Sensitivity: -40dB±2dB(0dB=1V/Pa1KHz)
Maximum sound pressure pole: 120dB (1KHz harmonic distortion ≤ 1% T.H.D)
Installation method: universal hot shoe seat
Access method: 3.5mm microphone jack