The Plantronics Blackwire C520 is a professional-grade binaural USB headset designed for high-quality audio performance in office and remote work environments. This stereo headset features a comfortable headband design and a noise-canceling microphone to ensure clear voice transmission during calls and meetings. It connects easily to your PC via a USB connection, offering a reliable, corded solution for daily communication needs.This unit is in used condition and has been tested to ensure functional performance. The dual-ear design helps block out background distractions, allowing for increased focus during long conference calls or audio tasks. Its lightweight construction is engineered for all-day wearability, making it a functional choice for professionals who rely on consistent audio equipment.Please note that this listing is for one Plantronics Blackwire C520 headset. The item is ready for immediate use and integrates seamlessly with common communication software applications. The durable corded design eliminates the need for battery charging, providing a steady connection throughout your workday.