Headphone Quantum QHM 862 Wired Headset (Black, Wired over the head)
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Sensitive Microphone - Padded ear pad for extra comfort Mic Dimension - 6.0 x 5.0mm Sensitivity- 56dB±3dB Directivity- Omnidirectional Impedance - 2.2K Speaker Diameter - 40.00mm Impedance - 32 Frequency Response - 20~20000Hz Max Input Power- 20mW Sensitivity (S.P.L) - 105dB±3 dB Cord Length- 1.8 meters