This kind of production could meet the needs of all Iphone users. Iphone hands-free supports talking through car speaker system. You can use any FM station from 88.1-107.9MHz to bring you the perfect high quality music from your Iphone. At the same time, the standard USB output socket provides the charging for Mobile phone ,GPS and other devices.The flexible goose-pipe makes it convenient to find the best position for your device. The goose-pipe with rotation prevention design keeps the Iphone steady in its position. Using a flexible clamp ,the holder keeps your Iphone in place. High quality silicon gel on the back and sides protect your device from being damaged