Vertex MH450S Speaker Mike to suit VX-426 series Medium-Duty Speaker Microphone w/ Lapel Clip and 3.5mm Ear Phone Jack to Suit Vertex VX-351, VX-354VX-410, VX-420, VX-426, VX-451, VX-454, VX-459 Share Buy $82.00 Shipping Details Shipping cost for item: $10.00