Support consistent call quality across modern endpoints with a wired stereo headset designed for enterprise communications. The Poly Blackwire 5220 pairs USB-C connectivity with a 3.5 mm plug and a USB-C/A adapter, giving IT teams a practical path for mixed fleets that still include USB-A and analog audio ports. Its stereo design helps users stay focused during long call blocks, while the wired connection removes battery management from the support equation. That matters in contact centers, hybrid offices, and shared workspaces where uptime, simplicity, and predictable user experience carry more value than consumer-style extras. Bulk packaging makes this model a strong fit for staged rollouts, refresh projects, and standardized desk deployments. For organizations that need a headset that works across more than one device class without adding complexity, the Blackwire 5220 offers a clean, durable answer.