From Two way radio accesory factory headset earphone with boom mic For all Icom/Maxon/Vertex 2-pin radio Boom mic headset for Icom IC-F20,IC-H2,IC-H6,IC-J12,IC-M5 -- Light weight headset with boom mic-- Double speaker-- Perfect sounds expression-- Noise resistant-- Comforatable after long time wearing Compatible with : Icom:IC-F3,IC-F3S,IC-F4,IC-F4S,IC-F10,IC-F20,IC-H2,IC-H6,IC-J12,IC-M5,IC-U12, ...