355 CPC-M6 Cell Phone Plug with Microphone CT 450S often needed for IFB in

often needed for IFB in noisy areas

coiled acoustic tube and single receiver clip for EITHER RIGHT OR LEFT ear

Here are a few of the Motorola two way radios it fits (call with questions on your exact radio):

384C with custom mold (PO-2k or PO-4

355 CPC-M6 Cell Phone Plug with Microphone CT 450S often needed for IFB inCell phone plug with sub mini plug tip, ring and sleeve. It is made to work with the CP 200, CP 201, CP 202 and CP 201A. It has a microphone with lapel clip and a polorized pin plug for the receiver. It can also be made to use with the older cell phones that have a 3 32" jack. It is recommended to use with a 125 ohm receiver (not included).