? Plugs into the microphone/headphone port on the side of a radio;? On/off switch on the side of the microphone;? Push-to-talk button;? 3.5mm audio port for earpiece (not included);? Dual pin connector fits Midland(R) GMRS radios;? 360deg rotatable clip for ease of mounting on shirt or jacket;? Works with all Midland(R) GMRS radios;? 90-day warranty; / NINETY DAYS