Speaker Microphone, Product Type Speaker Microphone, Compatible Radio Type Handheld, Compatible Radio Brand Motorola, Compatible Radio Series APX 4000, APX 6000, APX 7000, APX 7000XE, XPR 6300, XPR 6500, Compatible Radio Manufacturer Model Number APX 4000, XPR6550, Compatible Radio Grainger Model Number Not Applicable, Earpiece Jack Size 3.5 mm, Radio Connector Type Multi Pin, Noise Prevention Noise Cancelling, Push To Talk Yes, Intrinsically Safe No, Keypad Included No