Product picture - Otto Engineering V1-10727 Professional Surveillance 2-Wire Palm Microphone Kit for Vertex & Motorola EX500 Series 2-Way Radios Otto, Engineering, V1-10727, Professional, Surveillance, 2-Wire, Palm, Microphone, Kit, Vertex, &, Motorola, EX500, Series, 2-Way, Radios Click the image to close this page