This camera microphone can provide clear and accurate voice recording experience to the user, It is significantly better than the majority of the built-in microphones, which is suitable for all sorts of recording.Features:Made from aluminium alloy material, has nice wear-resistance and high hardness.Built-in professional high-performance super-cardioid pickup microphone.Adopts NCR noise reduction pick-up technology, superior noise suppression.Special shockproof structure on base, effectively averts the mechanical noise and other vibration noise to be recorded.Provides clear and accurate voice recording experience to the user.External + 10dB sensitivity enhancement switch and 0dB close range directional focusing interview mode to meet different occasions.Lower Power Indicator reminds you to be prepared to replace the b-attery.Easy mounting and fixing on the camera.3.5mm standard jack for convenient use.Wide compatibility, compatible for different kinds of camera.Specially designed for photography, meeting, interview and other professional fields.Specifications:Material: Aluminium AlloyPolar Pattern: Super-CardioidFrequency Response: 50Hz-16KHzSensitivity: -37dB3dB0dB=1V/Pa at 1kHzSensitivity Enhancement: +10db2dBEquivalent Noise Level: 24dB AMax.SPL: 130dB (THD