This Plattronics Blackwire C520 (model BXCF9L) headset is an ideal solution for professional communication, office work, and conference calls. The headphones deliver good sound quality and are designed for comfort during prolonged use. The kit comes complete with a practical, black transport case that protects the headset on the go, as well as the original packaging and associated documentation. Details and functions: - Brand: Plattronics - Model: Blackwire C520 / BXCF9L - Integrated control unit on the cable for easy control of sound and calls - Upholstered headband and comfortable earpads - Included accessories: Original box and protective case Condition: The headset appears in a nice, used condition with common wearing tracks. No visible damage or defects on cables or braces. Note: Sold as viewed and without warranty.