The Motorola MOTOROKR T505 is a Bluetooth 2.0 speakerphone optimized for use in a car. Built-in digital FM transmitter lets you hear your calls and hear your tunes(from any Bluetooth enabled device) loud and clear through your car stereo, automatically pausing the song while you are on the phone. StationFinder technology searches FM stations for you, just press a button, and it announces the best FM station for you to tune to. Echo/noise cancellation, audio caller ID as well as Easy Pairing technology which simplifies connecting Bluetooth devices are some of the key features in the T505. Talk time is rated at 18 hours and standby time is 14 days.