Description
Poly EncorePro 520 Wired Over-the-head, On-ear Stereo Headset – Black – Binaural – Supra-aural – 20 Hz to 16 kHz – 78.5 cm Cable – Noise Cancelling, Omni-directional, Uni-directional Microphone – Noise Canceling – Quick Disconnect, USB
Poly 783P7AA POLY VOY 4320 USB-A HS DIB
