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Features: • Specially designed for the camera and high-sensitivity condenser microphone to enhance the quality of the recording • heart-shaped single-point pickup features can effectively reduce the noise of the surrounding environment to be picked up • 10dB sensitivity enhancement and 200Hz low-frequency attenuation; to meet the different field Co-use • Use standard universal connector specifications, can be simply fixed the camera • Shock-resistant structural design, to reduce the mechanical noise of the camera and other vibration noise • Set tone governing the selection of alloy materials design, sturdy solid, and can effectively shield electromagnetic interference • 1.5V AA alkaline battery-powered, battery life of up to 100 hours Low power indicator, fully prepared ready to replace the battery Technical parameters: • Monomer: Back electret • Polar pattern: cardioid • Frequency response: 50Hz-16kHz • Sensitivity:-32dB ± 3dB (0dB = 1V/Pa at 1kHz) • enhanced sensitivity: +10 dB • The low-frequency attenuation: 60Hz 10dB / octave • output impedance: 2000Ω ± 30% • Use voltage: 1.5V AA batteries Packing: The microphone component x1 Manual x1 Please note:without battery