Speaker
Driver Unit:30mm Impedance:32ohm Sensitivity:105dB S.P.L At 1KHz
Frequency Response:20-20KHz
Max.Power Input:50mW
Cord lengh:1.2m
Plug:3.5mm stero plug
Microphone Tye:electret condenser microphone
Polar pattern:omni-directional
Impedance:Low Frequency Response:30-16,000Hz
Sensitivity:-58dB±3dB
Operating Voltage:3V