32mm Driver Size Poly Blackwire 5220 Stereo Headset Blackwire 5220 omnidirectional microphone, 3.5mm plug, USB-C and USB-A adapter connectivity The Blackwire 5200 Series is suitable for your hectic workday. designed with ergonomics to provide enduring comfort. Additionally, you can work on multiple devices throughout the day thanks to the user-friendly connectivity. Obtain excellent sound Avoid the unavoidable distractions at work.