MAMEN Mini Shotgun Microphone at a glance External Power Supply (No Battery Required) Polar Pattern: Single Direction Frequency Response: 100-16000Hz Sensitivity: -42+3dB RL=680Ω Vs1 .5(1KHz 0dB=1V/Pa) Output Impedance: 1-2.2KΩ Signal to Noise Ratio: 110dB S.P.L Current Consumption: Max.0.5mA Output Connectors: 3.5mm Microphone Jack (Cameras, Recorders & Camcorders); 3. 5mm Headphone Jack (for Smartphones, Tablets,& Mac)