1. Made Of All-Metal Cnc, With Good Shielding Performance And Free From Surrounding Interference. This Product Is Specially Designed For Professional Occasions Such As Photography And Interviews. It Can Be Adapted To Common Mid-To-High-End Cameras And Slr Cameras, And Can Be Installed On The Camera Conveniently And Quickly. It Uses A Professional-Grade Anti-Noise Microphone, High-Definition Sound Quality, And Is Made Of All-Metal Cnc. It Has Good Shielding Performance And Is Not Interfered By Surrounding Signals. The Product Is Compact, Convenient, And Easy To Carry.2. Adopt Professional-Grade Anti-Noise Microphone, Which Can Effectively Reduce Noise And Make The Sound Quality Clearer. The Cold Shoe Mount Is Quick To Install And Has A 1/4 Thread At The Bottom. 3. Cardioid Pattern, With Strong Directivity, The Pickup Area Is Concentrated Directly In Front Of The Microphone. Mini Fixed Shock-Absorbing Clip That Can Be Quickly Installed On The Camera. 4. High-Sensitivity Pickup Microphone, Larger Pickup Volume And Longer Pickup Distance. Comes With A Protective Fur Cover To Effectively Reduce Wind Noise And Outdoor Noise. 5. No Charging Required, Plug And Play, Easy To Operate. The Product Is Compact And Convenient, Making It Easy To Carry Around When Going Out. Description: 1.Sensitivity: -29±2dB RL=0.68KΩ Vs=1.5V( 1KHz 0dB=1V/Pa) 2.Impedance: Max. 0.68KΩ 1KHz (RL=0.68KΩ) 3.Frequency: 20-16000 Hz 4.Current consumption: Max.0.5mA 5. Microphone operating voltage range: 1-10V 6. Maximum sound pressure level: 115dB S.P.L 7.S.P.L: 75dB 8. Sensitivity reduction: 1.5V-1.0V sensitivity change less than 3dB color:As shown Material:Aviation aluminum Package Contents: 1 x Protective Fur Cover 1 x Microphone 1 x Fixed 1 x Mobile Phone Adapter C 1 x Camera Adapter Cable 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.