Description
Poly EncorePro 500 510V Wired Over-the-head, On-ear Mono Headset – Black – Monaural – Supra-aural – 78.5 cm Cable – Voice Tube, Omni-directional, Noise Cancelling Microphone – Mini-phone (3.5mm)
Poly 783Q4AA POLY EP 510 MONO HS +QD NO LOCALIZATION
