Plantronics/Poly Blackwire 3310 BW3310-M USB-A MX (212703-101-PEEL)
Mono - USB Type A, Mini-phone (3.5mm) - Wired - 32 Ohm - 20 Hz - 20 kHz - Over-the-head - Monaural - Ear-cup - Noise Cancelling MicrophoneTAA Compliant
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