Plantronics Blackwire C3220 USB-A. Certified Refurbished Includes 90 Day Warranty. . Product # 209745-101 . . The Plantronics Blackwire C3220 USB-A corded UC headset is lightweight, durable and easy to deploy. The binaural headset offers PC wideband audio with a noise-cancelling microphone for high-quality PC telephony. It is ideal for knowledge workers for managing calls on PC, mobile phones or tablets. . . The Blackwire C3220 has a remote call control that offers call answer/ignore/end/hold, redial, mute, and volume adjustment. It also features Dynamic EQ that optimizes voice quality when on call and automatically adjusts the EQ settings when listening to music or multimedia. . . Blackwire C3220: . . |Over the Head Binaural Headset |Noise Cancelling Microphone |Wideband Audio |Enhanced Digital Signal Processing |USB-A Connectivity |Plantronics Manager Pro (an additional purchase) . - Enables Your IT Team to Gain Insight into Every Compatible . Plantronics Headset Being Used Company-Wide |Dynamic EQ | Hi-fi Stereo Sound |Simple Call Management |SoundGuard Acoustic (Hearing Protection) . - For Protection against Sounds above 118 dBA |Frequency Response: 20 Hz - 20 kHz |Call Answer/Ignore/End, Redial, Mute & Volume +/- Controls |Lightweight Design |Comfortable & Durable |Connects To: . . .