Pioneer FH-S520BT Double DIN CD ReceiverThe FH S52BT is a double DIN CD Receiver with built in Bluetooth allowing you to control your compatible smartphone device wirelessly. This double DIN receiver is compatible with the Pioneer Smart Sync allowing you to utilize your smartphone functions by pairing the application to the receiver. This application supports safe usage of your smartphone while in your vehicle. You can call applications with one touch button on the receiver. It also helps