The EPOS Adapter Cable USB to RJ 9 (USB - RJ9 01) is a versatile phone cable that connects USB Type A devices to RJ - 9 phones. It features a male USB Type A connector on one end and a male RJ - 9 connector on the other, ensuring compatibility with a wide range of devices including headsets and microphones. This cable is designed for exceptional quality and reliability, making it an ideal choice for both personal and professional use. With its hot - pluggable USB port, users can easily connect and disconnect devices without the need for restarting. The cable supports microphone devices, providing optimal operation and dependable power supply efficiency for uninterrupted usage.