Vintage Realistic RadioShack Dynamic CB Microphone, Catalog No. 21-1172B, with original blue box, instruction sheet, and mounting hardware.

Features a handheld push-to-talk microphone, black coiled cord, and 5-pin DIN connector. The included instruction sheet bears a 1990 copyright date.

Condition: Pre-owned vintage condition. Microphone shows surface scuffs, scratches, and signs of age and handling, including oxidation on a rear screw. Original cardboard box has creasing, scuffs, edge wear, and worn corners. Instruction sheet shows age-related wear.

Untested: Microphone has not been tested with a compatible CB radio. Functionality is unknown.

Includes microphone with attached cord and connector, original box, instruction sheet, and mounting hardware shown in photographs.

Buyers should verify connector pinout and compatibility with their CB radio before purchasing.