Griffin Technology BlueTrip AUX for iPhone and Smartphones Handsfree call and play solution for iPhone and Bluetooth-enabled smartphones Low-profile BlueTrip receiver plugs into accessory power outlet BlueTrip remembers paired devices and automatically reconnects every time you get in your car 1 button: press once to answer, press again to end call and return to your music Use with Griffin PowerJolt Plus for a total power/play handsfree solution