The Plantronics Blackwire 3200 series includes corded headsets that are not only comfortable to use, but also durable. Headsets differ in connectivity and wearing methods. The Dynamic Equalizer function optimises your voice quality when making calls and automatically adjusts the equalizer settings when you listen to music or play media. The Blackwire 3200 series headsets are equipped with SoundGuard technology for superior, safe sound. You can manage calls from your PC, tablet or mobile phone with a standard USB or USB-C connector. The noise cancelling microphone masks extraneous noise.