Light Duty Speaker Earhook Clip-On,Black
Earpiece, Product Type Earpieces, Compatible Radio Brand Vertex Standard, Compatible Radio Series EVX-531, EVX-534, EVX-539, VX-130, VX-160, VX-180, VX-210, VX-230, VX-260, VX-350, VX-400, VX-410, VX-420, VX-427, VX-450, Compatible Radio Manufacturer Model Number EVX531, EVX534, EVX539, VX130, VX160, VX180, VX210, VX210A, VX230, VX260, VX350, VX400, VX410, VX420, VX427, VX450, Earpiece Style Ear Hook, Number of Ears One, Number of Wires 1, Push To Talk Yes, Microphone Location Shirt/Lapel.