10 foot coiled cord. 
Connects headset to amplifer.

Model #RCP woks with Plantronics™, Inc. Headsets and Vista amplifier.

Model #RCG
Use with GN Netcom™ headsets and amplifiers

Y cord connects two headsets to one amplifier.
Used for training and monitoring by allowing Supervisor to connect to an agents amplifier and monitor their calls.
Comes with in-line mute switch.

Model #YCP
Use with Plantronics™, Inc. headsets and amplifiers.

Model #YCG
Use with GN™ Netcom headsets and amplifiers.