LOGITECH H370 USB HEADSET

• Microphone Type: Bi-directional
• Input Impedance: 32 Ohms
• Sensitivity (headphone): 111 dBSPL +/- 3 dB
• Sensitivity (microphone): -42 dBV/Pa +/- 3 dB
• Frequency response (Headset): 100 Hz - 10 KHz
• Frequency response (Microphone): 200 Hz - 6 KHz

Full Product Details:
Logitech H370 USB Headset with Noise-Canceling Microphone