The Coil Cable (QD to Modular Phone Jack) (Poly 40702-01 aka HP 85R85AA) is a durable and flexible accessory designed for seamless connectivity between your Quick Disconnect (QD) headset and a modular phone jack. Its coiled design provides extended reach and tangle-free convenience, making it ideal for professional environments such as offices and call centers. Built to last, this cable ensures reliable performance for uninterrupted communication.