headphone jack to usb cable Specification:
headset with volume control (option )
mute function
headset with USB plug
Earphone
1) Impedance: 2 x 8, 2 x 16, 2 x 32, 2 x 40
2) Sensitivity: 110±3dB
3) Frequency range: 20 - 20,000Hz4) Rated power: 2 x 100mW
Microphone
1) Impedance: 1,800, 100, 200
2) Sensitivity: -48±3dB
3) Directivity: omnidirectional
4) Frequency response: 30 - 16,000Hz
