1.Omnidirectional Electret Condenser Microphone 2.Size:4.0x1.5mm 3.Price:$0.12~ 4.ROHS compliant 5.FOB SHENZHEN Eelectret Condenser Microphone if any qeustions ,please feel free to contact with us .1Dimension:4.0x1.5mm2Sensitivity:-42±3dB3Directivity:Omnidirectional 4Impedance: ≤2.2kΩ 5Current Consumption:Max.0.5mA 6Standard Operation Voltage:2V7Sensitivity Reduction:Within-3dB at 1.0V 8S/N Ratio ...