Perfect for television applications, Sony's ECM77B Omni-Directional Electret Condenser Microphone is a miniature lavalier microphone designed to be inconspicuous. This tiny mic runs on either phantom power or AA battery operation.
Sony ECM77B Features
5.6 x 12.5mm (1/4 x 1/2"), 1.5g (0.04 oz) microphone head
High performance, frequency response 40Hz to 20,000Hz
2-way powering-AA-size battery or external power supply
Complete with in-line battery unit for 2-way powering