Communicate clearly in difficult weather with H-500 RSM featuring Noise cancelling microphone eliminates the whining and howling sounds of wind blowing across your remote speaker microphone resulting in clear & good quality audio. The H-500 is equipped with a customizable audio socket for Peltor, Saxox, NATO wired headsets. The skid proof design makes it easy & comfortable to hold even for applications where gloves are required. The H-500 RSM solution is a great solution for Police motorcycle riders as well as for fire fighters. JCK H-500 RSM built to survive & can be used in hazardous environments.