Speaker Microphone, Product Type Speaker Microphone, Compatible Radio Type Handheld, Compatible Radio Brand Icom, Compatible Radio Series F3400D, F4400D, F52D, F62D, IP730D, IP740D, Compatible Radio Manufacturer Model Number F3400D, F4400D, F52D, F62D, F7010, F7020, M85, Compatible Radio Grainger Model Number 460R95, 460R96, 460R97, 492F06, 492F07, 492F62, Earpiece Jack Size 3.5 mm, Radio Connector Type 14-Pin, Noise Prevention Not Applicable, Push To Talk Yes, Intrinsically Safe No