Power supply mode: DC3V (CR2, 3V lithium battery)Material: ABCType: Back-pole condenser microphoneColor: blackPointing characteristics: single point x2Size: 22*130mmFrequency response: 30-15000HzOutput impedance: ≤200Signal 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 seatAccess method: 3.5mm microphone jack