-Microphone Type: Bi-directional
-Input Impedance: 20 Ohms
-Sensitivity (headphone): 115 dB +/-3 dB
-Sensitivity (microphone): -42 dBV/Pa +/- 3 dB
-Frequency response (Headset): 20 Hz - 20 KHz
-Frequency response (Microphone): 100 Hz - 16 KHz
-Packages: USB Computer Headset
-Warranty: 2Years