AM/FM/Weatherband /USB/Aux In/Bluetooth *antenna adapter included* hands free operation Fits the following Massey Ferguson Tractor Models:4707, 4708, 4709, 47105710, 5711 2 rectangular plugs on the tractor’s harness (pic) connect to the square plug on the radio. If you prefer to call with questions, our number is 573 334-7894