Headset, Product Type Headsets, Compatible Radio Brand Standard Horizon, Compatible Radio Series HX210, HX290, HX370S, HX370SAS, HX380, HX400, HX851, HX870, Compatible Radio Manufacturer Model Number HX210, HX290, HX370S, HX370SAS, HX380, HX400, HX851, HX870, Headset Style Over-the-Head, Earpiece Style Not Applicable, Number of Ears One Ear, Number of Wires 1, Push To Talk Yes, Microphone Location In-Earpiece, Earpiece Color Black, Volume Control Yes, Includes Boom Microphone