KOSS Koss SB-45 Communication Stereophones SB45 Circumaural Communication Headset

KOSS Koss SB-45 Communication Stereophones SB45 3.5mm Connector Circumaural Communication Headset Brand: KOSS Series: Koss SB-45 Communication Stereophones Connector: 3.5mm Ear Coupling: Circumaural Wireless Type: Wired Cord Length: 8' Headphone Frequency Response: 18Hz-20KHz Headphone Input Impedance: 100 ohm