Low cost microphone for any audio applications as one can think of.
Operation voltage: 1.5V to 10V
Operating current less than 500ua
Frequency response: 50 to 20KHz
Sensitivity: -48 to 66dB
Directivity: Omni directional
Impedance: Low
Diameter: 9.7mm
Height: 6.7mm
Leads spacing: 2.5mm
$1.00/3pcs.