The BOYA BY-BM3031, a super-cardioid condenser shotgun microphone, delivers high-quality sound for DSLRs, camcorders, audio recorders and more. Unique Super-Cardioid Polar Pattern Pick Up Better Sound With the super-cardioid pattern, BOYA BY-BM3031’s tight pickup area focuses directly in front of the microphone and reduces other surrounding sounds, ensuring subject away from most background noise. Fetures - Broadcast recording quality microphone for clear,precise audio. - Ideal for DSLRs, camcorders, audio recorders and more. - Super-Cardioid polar pick up pattern. - Digital switching includes 80Hz high pass filter & 3 Stage Gain Control. - Durable ABS Construction & Integrated Shock mount & Shoe Mount. - Powered by 2 x AA Batteries. - Includes fur windscreen& Headphone Jack & 3.5mm Output Plug.