The Cobra HG-M77 has a heavy-duty drop-proof ABS shell boasting great durability. The nine foot HighFlex cord will reach within the cab or around the office.The noise canceling voice coil diaphragm makes communication a bit more clear. *Compatible with most CB Radios with 4 pin screw on connectors Manufacturer Looking for a bit more from your CB microphone? This Cobra 70 Series may be for you. With a heavy-duty drop-proof ABS shell the microphone nearly asks you to abuse it just so it can show you what it can take. The nine foot HighFlex cord will reach within the cab or around the office. Yet the best function on this microphone has to be the noise canceling voice coil diaphragm which makes communication a bit more clear essential to those of you who work in noisy environments. What s in the Box One HG-M77 CB microphone and a one year warranty. Features 9 High-Flex cord Heavy duty drop-proof ABS shell Metal mesh grille Left-side PTT button Noise canceling voice coil diaphragm