Package Includes: Mini Condenser Pro Microphone CR-2 Battery Instruction Manual Product Description: Feature: Broadcast-Quality microphone Unidirectional Condenser microphone Integrated Shock Mount and Windshield Reinforced ABS construction Integrated hot-shoe mount Lithium CR-2 battery Specification: Type：condenser microphone (unidirectional) Frequency Response：38-20,000Hz Sensitivity：-40dB +/- 3dB / 0dB=1V/Pa, 1kHz Signal to Noise Ratio：75dB or more Output Impedance：1.0k Ohm or less Power：1.5V battery Plug: mini-pin plug (3.5mm) Dimensions(L*H*D)：109*75*18mm Net Weight：62g