1.This Product Is A Portable Professional Cell Phone Recording Microphone 2.Wind, A Wide Range Of Applications, Adapted To Cell Phone Recording, Live, K Song Live, Reporter Interviews, Program 3.Recording, Video Recording, Etc. ... And Support The Major Mainstream Live Software. Adopt Professional Level Anti-Noise Microphone, High 4.Clear Sound Quality, All-Metal Cnc Manufacturing, Good Shielding Performance, Not Subject To The Surrounding Signal Interference, The Product Is Small And Portable, Easy To Carry. 5.The Product Is Small And Portable, Easy To Carry. Description: 1. Sensitivity -29±2dB RL=0.68KΩ Vs=1.5V (1KHz 0dB=1V/Pa) 2. Impedance Max. 0.68KΩ1KHz (RL=0.68KΩ) 3.Frequency 20-16000 Hz 4.Current Consumption Max.0.5mA 5. Microphone working voltage range 1-10V 6.Maximum sound pressure level 115dB S.P.L. 7. Signal ratio more than the 75 dB 8. Sensitivity degradation 1.5V-1.0V sensitivity changeLess than 3dB color:As shown Material:Aviation aluminum Package Contents: 1 x Microphone Body 1 x Mounting Bracket 1 x Chinese And English Manual 1 x Windproof Cotton Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.