Utilizing dual-head complementary sound interference pickup technology, with a remarkable pickup distance of up to 20 meters, wide frequency response, and high-definition sound resolution Boasts exceptional noise suppression capabilities, effectively eliminating external and self-generated noise to restore high-fidelity audio quality, providing an immersive experience filled with endless joy Simple operation allows for volume adjustment based on the proximity of the sound source, ensuring balanced recording volume to accommodate varying sound intensities The microphone body is designed with aluminum alloy material, providing robustness and effectively shielding against electromagnetic interference Equipped with a Micro USB interface for convenient and quick charging, enhancing user convenience The cold shoe mount can be installed on various hot shoe-equipped cameras and digital camcorders, featuring a 1/4-inch screw hole underneath for easy mounting on light stands, booms, or clamps Featuring a 3.5mm plug for convenient use and wide compatibility with various devices, suitable for DSLRs, DV camcorders, and more Specification: Size: 140.3x53x73.5mm Material: Aluminum Alloy+surface sandblasting and oxidation+ABS Interface: cold shoe and 1/4 screw hole Directivity: Supercardioid unidirectional Frequency response: 50Hz-16KHz Sensitivity: -37dB±3dB(0dB=1V/Pa at 1kHz) Sensitivity gain: +20dB±2dB Equivalent noise level: 24dBA Maximum sound pressure level: 130dB(THD≤1.5% at 1KHz) Output impedance: 200Ω±30%(at 1KHz) Sound channel: stereo Lithium Battery: 200mAh