ECM-F8 Electret Condenser Microphone is optimized for recording lectures and meetings where voices are at a distance from the mic. It enhances voice, reduces background noise and room echoes. Small, inconspicuous format makes the recording process more natural and less obtrusive. Omni-directional pattern picks up voices from all directions. The microphone provides long battery life of approximately 100 hours continuous use with optional Sony CR2025 lithium battery. L-Shaped Mini-Plug fits portable recorders.