RESPONDER MEDIUM-DUTY LAPEL MICROPHONE w/Soft Ear-Hook Earphone. Our most popular model is light, versatile and rugged.
Fits older Vertex radios with multi-pin connector (note: NOT compatible with VX-537 or NYPD models) including: VX-310, VX-520, VX-520UD, VX-600, VX-800, VX-900.
