Check the listing for details. Pro Mini Condenser Microphone For Panasonic HDC-SD90K HDC-SD90. Condition: New. Listed at 29.95 USD. Professional Mini Condenser Microphone For Panasonic HDC-SD90K HDC-SD90"Compact Yet Unidirectional"Package Includes: Professional Mini Condenser MicrophoneMounting BracketSpecs Card Product Description: Feature:Broadcast-Quality microphone Unidirectional Condenser microphoneIntegrated Shock Mount and Windshield Reinforced ABS construction Integrated hot-shoe mount CR-2 batterySpecification:Type：condenser microphone (unidirectional)Frequency Response：38-20,000HzSensitivity：-40dB +/- 3dB / 0dB=1V/Pa, 1kHzSignal to Noise Ratio：75dB or moreOutput Impedance：1.0k Ohm or lessPower：1.5V batteryPlug: mini-pin plug (3.5mm)Built-in standard shoe-mount. May require mounting bracket if the shoe mount is not compatible with your device.Dimensions(L*H*D)：109*75*18mmNet Weight：62g Paypal Shipping: Fast & Free Shipping in USA We Process All Our Orders in 1 Business Day