FM transmitter, 7 in 1 FM transmitter for All Iphone and Mobile Features and Specifications All kit could meet the needs of all iPod and iPhone users. FM transmitter suitable for all automobiles. USB Port for charging. iPhone Hands-free supports talking through car speaker system. Use any FM station from 88.1- 107.9MHz to bring you the perfect high quality music from your iPhone / iPod. Standard USB-A (5V, 1A) 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. It is compatible with every car in the world. Goose-pipe with rotation prevention design keeps the iPhone or any other device steady & firm in its position. Using a flexible clamp, the holder keeps your iPhone / device in place. Removable stoppers prevent the device from being dropped. High quality silicon gel on the back & sides protect your device form being damaged. Suitable for iPhone 3G /All iPod/All MP3/MP4/All cars