This is the top-of-the-line radio featuring an am/fm digital tuner, built-in mobile wireless connectivity, a USB port, two auxiliary inputs (3.5Mm in front, two ch in rear), and the ability to add a single disc CD player. The wireless capability allows you to listen to the radio, stream music from your phone, and talk hands-free without having to cut the dash. This is the top-of-the-line radio featuring an am/fm digital tuner, built-in mobile wireless connectivity, a USB port, two auxiliary inputs (3.5Mm in front, two ch in rear), and the ability to add a single disc CD player. The wireless capability allows you to listen to the radio, stream music from your phone, and talk hands-free without having to cut the dash. Compatible with 1955-1959 Chevrolet/GMC Truck Compatible with 1955-1959 Chevrolet/GMC Truck