Speaker Microphone, Product Type Speaker Microphone, Compatible Radio Type Handheld, Compatible Radio Brand Motorola, Compatible Radio Series Mag One BPR40, Compatible Radio Manufacturer Model Number CP185, CP200.XLS, Compatible Radio Grainger Model Number 45CA55, 45CA71, Earpiece Jack Size Not Applicable, Radio Connector Type M1, Noise Prevention Not Applicable, Push To Talk Yes, Intrinsically Safe No, Keypad Included No, Material Metal, Polycarbonate, Waterproof No, IP Rating IP54, Color Black