ASTATIC TM 302-10309 636L NOISE CANCELING 4-PIN CB MICROPHONE STARS N STRIPESStars N' Stripes Design Rugged Housing Double Chrome Plated Grille Screen Dynamic Noise Canceling Element Stainless Steel Super-Flex Cord with Durable Strain Relief 4-Pin Connection DPDT Smooth Operating Switch with Spring Return Heavy Duty Construction Designed for Close Talking Handheld Applications For CB Amateur Radio & SSB Communications Clamshell Packaging