• Standard 3.5mm connector & 1/4 adapter;• Element: back electret condenser;• Polar pattern: unidirectional;• Freq resp: 50Hz-16kHz;• Sensitivity: -46dB +/-3dB;• Output imp: 1kohm +/- 30%;• Max input SPL: 130dB;• Power supply: DC 1.5V-10V;• 1-year warranty; HEIGHT X LENGTH X WIDTH: 0.6 X 7 X 5.6 WARRANTY: ONE YEAR RETURNABLE: Yes