From Two way radio accesory factory headset earphone with boom mic For all Yaesu/Vertex one pin radio Boom mic headset for Yaesu/Vertex VX6R/E,VX7R/E,VX170 -- Light weight headset with boom mic-- Double speaker-- Perfect sounds expression-- Noise resistant-- Comforatable after long time wearing Compatible with : Yaesu/Vertex: VX6R/E,VX7R/E,VX170,VX177,VX120,VX127,HX471,VX4460