Sound hesd: Capacitive
Rrequency response: 30Hz~20Khz
Ditectivity: Heart-Saped-(0°180°@1Khz>5db)
The loudrst level: 120dB S.P.L
Signal to noise ratio: -50dB
Sensitivity: 25mV/Pa(-32dB+2db)
Words put function: +dB-+25dB gain is adjustable
Audio ouput line: (p5mm x 3m
USB cable:3.5mm5 gold-plated- plug
Power supply: USB DCSV power