Mini clip-on microphone, used for skype chatting, computer communication.
Polar pattern: Omni-directional
Sensitivity: -58dB±2dB
Impedance: 1.4K ohm ±30%
Freuency Response: 50-16kHz
Operating Voltage: 4.5V
S/N Ratio: 40dB
Connector: 3.5mm