This Plantronics Calisto P420-M USB portable speakerphone is available in excellent used condition, has been fully tested, and functions flawlessly with high-quality audio output. The premium desktop VoIP speakerphone bundle includes the integrated wired USB cable along with the original protective black hard-shell zipper case. Fast shipping is provided via USPS Ground Advantage within one business day of cleared payment from a strict smoke-free environment. The individual buyer receives the exact portable computer speakerphone shown in the listing photos, and no returns are accepted for this transaction. This professional hands-free microphone system delivers a plug-and-play solution perfect for modern home office configurations, remote business meetings, and digital workspace communication.