A4TECH HU-30 ComfortFit Stereo USB Headset

Style: On-the-Head
Speaker: 40 mm
Frequency Range: 20 Hz-20 KHz
Impedance: 32 Ohm
RMS: 50 mW
Sensitivity: 102 dB
MIC Sensitivity: -45 dB
Cable Length: 2 m
Plug: USB
Controller: Volume knob on the headset