Product picture - Otto Engineering Evolution Speaker Mic with Coaxial Connector, 18" Straight Coaxial Cord, Volume Control, Antenna Connector, and 2.5mm Earphone Jack Otto, Engineering, Evolution, Speaker, Mic, with, Coaxial, Connector, 18, Straight, Coaxial, Cord, Volume, Control, Antenna, Connector, 2.5mm, Earphone, Jack Click the image to close this page