Speaker Microphone, Product Type Speaker Microphone, Compatible Radio Type Handheld, Compatible Radio Brand Motorola, Compatible Radio Series APX, ION, R7, Compatible Radio Manufacturer Model Number APX n30, APX n50, APX n70, ION, R7, Compatible Radio Grainger Model Number Not Applicable, Earpiece Jack Size 3.5 mm, Radio Connector Type 3.5mm Plug, Noise Prevention Windporting, Push To Talk Yes, Intrinsically Safe Yes, Keypad Included No, Material Plastic, Cord Length 12 in, Waterproof Yes