Oxygen Mask Cable with Civilian Microphone Amplifier and Dual G/A Plugs

"Oxygen Mask Cable with Civilian Microphone Amplifier and Dual G/A Plugs, this cord replaces the standard CX-4707 cable for use with civilian aircraft radios and M-101 mic installed in the mask, new condition. Upper cable keeper shown in photo but not included. Choose lower cable keeper from options. It is recommended to purchase with a lower cable keeper if desired becasue they can only be installed at time of assembly"