Bler Audio CM-90, handheld condenser microphone with a cardioid polar pattern and a built-in ON/OFF switch.
The microphone operates on a single AA (1.5V) battery. To install the battery, unscrew the grille cap and then remove the capsule from the metal body. Make sure to check the batterys polarity before inserting it: the + side should face the microphones body, not the capsule.
Warning: It does not operate with phantom power from a mixer.
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