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;