Speaker Microphone Product Type Speaker Microphone Compatible Radio Type Handheld Compatible Radio Brand Kenwood Compatible Radio Series TK-2140 TK-3140 TK-2180 TK-3180 Earpiece Jack Size 2.5 mm 3.5 mm Push To Talk Yes Intrinsically Safe Yes Material Black Cycoloy Resin IP Rating IP68 Color Black Includes Coil Cord Overall Height 8 in Overall Length 3 in Overall Width 5 in Features Fully Sealed Immersion Rated Side-Mount Push Button Volume Control