Poly / Plantronics Blackwire 5220 USB-A Binaural Headset With 3.5mm Connectivity

The Plantronics Blackwire C5220 is a corded USB headset that is perfect for UC environments.  It is durable, comfortable, easy to deploy, and also provides a 3.5 mm connector for smartphones and tablets.  The Plantronics C5220 features a comfortable headband, premium leatherette ear cushions, stereo sound with passive noise cancellation, wideband audio, and a noise-cancelling microphone for crystal clear conversations. Plantronics Blackwire C5220 USB-A Features Comfortable binaural, dual ear design Lightweight Premium leatherette ear cushions USB Type A (USB-A) connector for connecting to a PC or Mac Can also connect to smartphone or tablet via 3.5 mm Intuitive inline controls to answer/end calls, control volume, and mute Hi-Fi stereo with passive noise reduction SoundGuard - Acoustic limiting for protection against sounds above 118 dBA Anti-startle (during calls) detects and eliminates any large sudden increase in signal level; Time-Weighted Average prevents average daily noise expo