What does a bluetooth compatible car stereo do?
Bluetooth is a wireless communications protocol. When you have a Bluetooth-enabled car stereo, it allows you to transfer audio between the stereo and a portable audio device or wireless phone. The most common use is as a hands-free phone system. A Bluetooth car stereo allows to answer and place calls without using the phone itself at all. You’ll hear the other party’s voice through the car speakers, and you’ll be able to talk back using a separate microphone, or a microphone built into the car stereo. You don’t have to connect any wires to the stereo; your phone can stay in your pocket. Many Bluetooth-capable car head units allow you to transfer your phone book to the car stereo so that you can place calls using the head unit’s faceplate controls; or give you voice-control capability so you can use your phone without ever taking your hands off the steering wheel. Bluetooth car stereo systems also often work with streaming audio. If you have a phone that doubles as a music player, you c