RetroSound M2B-502-40-80 Model Two Direct-Fit Radio for Classic Vehicles (Black Face/Buttons and Black with Chrome Trim Faceplate). Made-for-iPod/iPhone compatibility. Bluetooth wireless connectivity for hands-free phone operation and wireless audio streaming. Built-In 25 watts x 4 channel power amplifier plus RCA pre-outs. 32,000 color display. Two USB ports plus two auxiliary inputs.