Griffin NA15005 RoadTrip Hands-Free for iPhone/iPod/Smartphones: * Cradle features flexible neck and adjustable mount for your iPod or iPhone * Case-compatible dock on the Griffin RoadTrip Hands Free charges whenever you"re docked * Send music to your car stereo via FM transmitter * Bluetooth connects your smartphone to place and answer hands-free calls through your car"s sound system * RoadTrip uses a powerful FM transmitter to send the music wirelessly to your car"s FM radio * Enjoy music while your iPod or iPhone charges using the Griffin Hands Free * RoadTrip"s high-sensitivity, built-in microphone picks up your voice, and the caller"s and plays through your stereo speakers * RoadTrip"s hands-free phone features work with iPhone and other Bluetooth-enabled phones * Power provided by your 12-volt power outlet (no batteries required) * Easy, SmartScan 1-button setup finds the best frequency for you * Griffin Griffin Hands Free SmartSound always adjusts the signal for best sound * Griffin-exclusive up-front controls give you eyes-free fingertip control * Bluetooth pairing and built-in mic let you and your smartphone use RoadTrip as a hands-free speakerphone * Offers all the benefits of a custom installation without the cost or inconvenience * Input Voltage Range: 12 to 16 volts DC * Maximum Current: 2 amps * Output Power: 5W (5 volts DC at 1 amp) * RF Output Range: 88.1 MHz to 107.9 MHz * Circuit Protection: Built-in SmartFuse circuit breaker