Poly Blackwire C3215 Headset - Mono - Mini-phone (3.5mm), USB Type A - Wired - 32 Ohm - 20 Hz - 20 kHz - Over-the-head, Over-the-ear - Monaural - 7100223427 Mission Critical: Reliable performance when

Mission Critical: Reliable performance when multi-channel communication is essential

No installation of base station required

MTX8250-LS

Low/ mid band

Poly Blackwire C3215 Headset - Mono - Mini-phone (3.5mm), USB Type A - Wired - 32 Ohm - 20 Hz - 20 kHz - Over-the-head, Over-the-ear - Monaural - 7100223427 Mission Critical: Reliable performance whenBLACKWIRE 3200 SERIES The Blackwire 3200 Series corded UC headsets are durable, lightweight, easy to deploy and come in a variety of connectivity and wearing options. Add insights from Plantronics Manager Pro, an additional service, and you've got a future proof solution. The Blackwire 3200 series with Poly's signature audio provides top notch features at a price you can afford. Available in monaural (C3210 C3215) or hi fi stereo with passive noise