Logitech Internet Chat Headset

• Frequency response
Headset: 20-20'000 Hz
Microphone: 100-10'000 Hz
• Microphone sensitivity
-59 dBV/µbar, -39 dBV/Pa+/-4dB
• Headphone Impedance
32 ohms
• Microphone Bias Voltage
3.0 V DC
• Microphone Load Resistance
2200 Ohms
• Connector
2 standard 3.5mm audio jacks (audio in and out)