Sometimes drivers want to upgrade the capabilities of their head unit without sacrificing the classic look of their vehicle. In those cases, we like to recommend options from RetroSound. Their radios come in a variety of colors and formats, all of which offer the kind of looks you might expect to find in a classic car. Best of all, the old school cool comes with new-age technology like Bluetooth connectivity. These radios are sure to give your car a unique mix of style and tech while keeping the original vintage look.