Home::Technology::Networking & Cables::Cables, Hubs, Connectors & Switches::USB Cables::Plantronics BLACKWIRE 3300 SERIES - Mono - USB Type A - Wired - 32 Ohm - 20 Hz - 20 kHz - Over-the-head - Monaural - Supra-aural - 7.1 ft Cable - Noise Cancelling Microphone |