Poly Blackwire C3210 Wired Headset Head-band With Mic USB Type-A 209744-101

Connectivity technology: Wired. Product type: Headset. Headset type: Monaural. Headphone frequency: 20 - 20000 Hz. Microphone type: Boom. Microphone frequency: 100 - 10000 Hz. Microphone noise-canceling: Yes.

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