Bluetooth Adapters for Older Car Stereos

An older car with a perfectly good stereo and no Bluetooth is a small tragedy on a long trip, because your phone holds all your music and podcasts but has no way to reach the speakers. The problem has a simple solution, a Bluetooth adapter, but the choice between the different types is where people spend money on the wrong one and end up frustrated instead of connected.The cheapest option is a Bluetooth FM transmitter, which plugs into the cigarette lighter and broadcasts your audio to a radio frequency your stereo tunes into. It works in almost any car, but the sound quality is only as good as the empty radio frequency you can find, and in cities crowded with stations, finding a clean one can be a losing game that hisses