The BOYA BY-LM20 is a lavalier microphone with Omini directional polar pattern. With USB adapter included, It is special designed for GoPro HERO4,3+,3,DSLR Cameras; Features • Omni directional condenser microphone • High-quality Mic is ideal for video use • Includes: lapel clip, foam windscreen, USB adapter for GoPro • Easy to use Specification • Frequency response: 35Hz-18KHz • Signal/Noise: 74dB or more • Reception sensitivity: -38dB±3dB / 0dB=1V/Pa,1KHz • Cable length: Microphone: 1.2m Mic adapter: 11cm

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