Vertex MH-50C7A Speaker Microphone<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Lapel clip. </span></li><li><span class="a-list-item"> Speaker toggle switch. </span></li><li><span class="a-list-item"> PTT switch. </span></li><li><span class="a-list-item"> Compatible with VX-537. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/319nzeCI1SL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Ky1YRyIRL.jpg" noproxy>