Thanks for purchasing the COMICA CVM-VM10II professional mini video microphone, it is a delicate and calibrating microphone, made of aluminum and equipped with a super absorption function; Installed with a super internal microphone, it can help the camera and phones with professional video recording to broadcast the broadcasting level. Features: Cardiological pattern. Accurate and light, professional. Low consumption, power driven by video device. Super anti-interference. Professional shock absorption table, equipped with wind guard and wind damper . Professional microphone. Universal for GoPro, microscopes, smartphones. Specifications: Brand: COMICA Model: CVM-VM10II Red color Transducer principle: Electronic reverse capacitor Polar pattern: Super cardioid Max . SPL: 100dB Frequency range: 80Hz ~ 16000Hz THD: 1% Higher output value: 2.2 30% k Dynamic range: 100dB Sensitivity: -34 3dB Signal to noise ratio: 58dB Weight: 34.2g / 1.2oz Dimensions: 85mm * 21mm (L * Dia.) Package size: 16 * 13 * 8.5cm / 6.3 * 5.1 * 3.3in Package weight: 270g / 9.5oz Package List: 1 * CVM-VM10II Video Mic 1 * Microphone Damper 1 * Windshield < / p> 1 * Wind Muff 1 * Audio cable for smartphones 1 * Camera audio cable 1 * carrying bag 1 * User Manual (English and Chinese)