ITEM NAME:Profi Interview Unidirectional Microphone Handheld Microphone For Recording, Description: This professional microphone system is designed for long distance camera recording and eliminate the noise of the surrounding. High quality electret condenser. Uni-directional,high sensibility, and good frequency response. Best choice for business like media interview, conference, speech,stage,filming,television,camera and camcorder, DVD/Skype/Computer, etc Camera microphone for different brands of camera. Material: Metal,Plastic Color: Black Specification: Capsule Type: Condenser Frequency Response:100Hz-16KHz Output Impedance:1KÃŽ © for short distance, 2.3KÃŽ © or long distance Sensitivity:-45dB for short distance;-38dB for long distance Power Supply: DC1.5V Directional: uni-ultra-directional Effective pickup range: 3 meter The using time of the battery: 26hours Output: Unbalanced Switch: Toggle Operation Method: 1.Follow signs''+''-',battery are installed correctly,and connect the audio output line. 2.First,the amplifier volume is controlled is the "0"position.then turn on the amplifier and the microphone,adjust the volume slowly until achieve the best. 3.the best effects of pickup is away from the microphone head 30cm,keep this distance,the sound is best. Size Chart: Microphone Length: Approx. 36.3cm/14.29inch Cable Length: Approx. 7m/22.97ft Anti-wind Foam Cap Length: Approx. 20.5cm/8.07inch Package Includes: 1 Piece Professional Interview Uni-Directional Microphone 1 Piece Cable 1 Piece Plug 2 Piece Shock mount stand adapter 1 Piece Anti-wind Foam Cap 1 Piece Microphone Case 1 Piece English Manual Note: 1.Microphone head should not be toward speakers,in order to avoid howling. 2.Don't adjust the volume too large,in order to avoid feedback howling. 3.If you don't use the microphone for a long time,remove the batteries to dampproof. 4.There are 1-3mm error of manual measurement.Please understand,thank you! SKU: DMO0015830461002973.1 Piece Professional Interview Uni-Directional Microphone. Microphone Length: Approx. 1 Piece Microphone Case. Microphone head should not be toward speakers,in order to avoid howling. Follow signs"+"-',battery are installed correctly,and connect the audio output line.