Cyber Acoustics AC-840 Single Ear Internet Communication Mono Headset & Boom Mic

Cyber Acoustics AC-840 USB Connector Single Ear Internet Communication Mono Headset & Boom Mic Cord Length: 7 ft. Part Number: AC-840 Headphone Frequency Response: 20Hz-20KHz Headphone Input Impedance: 32 ohm Weight: 0.35 Microphone Impedance: ~2.2K ohm Microphone Frequency Response: 100Hz-16KHz Color: Black