Poly Blackwire 3210 Monaural USB-A Headset (Bulk Qty.50) - Mono - USB Type A - Wired - 32 Ohm - 20 Hz - 20 kHz - On-ear - Monaural - Ear-cup - 5.20 ft Cable - Omni-directional, Noise Cancelling Microp

Freedom to work your way The Blackwire 3200 Series provides a quality audio experience in a headset that's built for enterprise needs. With a sleek design and flexible microphone boom for a customizable fit, what's not to love? Poly signature audio quality Experience the high-quality audio you expect from Poly with a headset that offers PC wideband, a noise-canceling mic, and hi-fi stereo sound options. Dynamic EQ optimizes call quality and automatically adjusts the settings for listening to multimediaAdvanced connectivity Ideal for managing calls on your PC, mobile phone, or tablet combined with the comfort and durability of a corded headset for greater flexibility.

Long-lasting comfort and portability Relax while you talk knowing your headset is secure- lightweight metal headband offers durability plus a custom fit. Leatherette ear cushions fold flat for easy portability.