DESC: Enjoy your music and calls with the clarity and loudness of your car stereo system. Innovative Bluetooth technology also streams music from your compatible Bluetooth phone or MP3 player to this in-car speakerphone. A built-in digital FM transmitter lets you make or take calls, and the smart device will even pause your music for incoming calls. From Motorola. Use of Bluetooth Wireless Technology requires Bluetooth software and Bluetooth-compatible accessories. Additional accessories may be required.