Description
Poly Blackwire C5220 – Blackwire 5200 Series – Headset – Wired – On-Ear – Stereo – 200 Hz to 6.8 kHZ (speech mode); 20 Hz to 20 kHZ (media mode) – Call answer/end; Mute; Volume +/- (Call answer/end; Mute; Volume +/-) – Poly standard two-year limited






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