Pro Trucker 4 Pin Microphone for Uniden and Cobra CB Radios Compatible with: Cobra, Uniden, Galaxy, Connex, and other 4-pin mic jack radios. Microphone includes an 8 ft flexible cord to ensure friendliness while on the road Standard 4-pin CB radio jack Replacement microphone for your current mic Overloaded Mobile is an authorized re-seller of Pro Trucker products