Monaural microphone High-quality small monaural microphone for digital recording machines. Dual power supply plug-in power system 1/LR44 battery. It is available 2 to PC with 3-prong plug. Newly developed rubber floating configuration that reduces external vibration noise of the device. Sound pickup switching between sound and surrounding sound aimed at a possible directional switching function deployment. Excellent acoustic characteristics, and adopt the entire surface metal screen to reduce the external noise.<br>