Sheepdog Extreme heavy duty speaker microphone with polyurethane-jacketed microphone cable, strain relief and an impact-resistant, rubber sealed, polycarbonate housing. Built for a long lifespan of heavy-duty use. It has a large Push-To-Talk switch on the side of the mic, and extends over the top, which allows it to be pushed easily while wearing gloves. Spring loaded metal reinforced clothing clip rotates a full 360 degrees, allowing the user to wear the mic securely with most types of uniforms. High quality electret condenser-style microphone element for clear transmission. Powerful speaker that provides ample sound. For added privacy, the microphone has a 3.5mm earphone jack for listen-only earpieces. Professional quality, water-resistant, remote speaker microphone. Non-slip grips. Replaceable cable with waterproof connector. Compatible with Harris UNITY XG-100, XG-100P, XL-150, XL-150P, XL-185, XL-185P, XL-185Pi, XL-185Pi, XL-200, XL-200P, XL-200Pi, XL Extreme 400P two way radios.