Sanoxy SANOXY_ FM-TRANS FM Stereo Transmitter/Car Charger/Holder for iPod with Remote Control and Handsfree Feature (Black) Using your iPhone4s, you can play your music and talk to anyone hands-free style through your car's speaker system! Supports your hands-free talking through car speaker, charge your cell phone fastly with the car charger and holds your cell phone tightly SANOXY Wirelessly transmits your devices audio signal over to your vehicles stereo, allowing you to focus on driving while still talking on the phone or listening to your personal music library Silicone Side Fixer prevents this products from rotating. Power through Cigarette Power Adapter. LED Power Indicator Light Indicates operating status. Flexible goose pipe for easy positioning. iPod 30 Pin Connector For iPhone and iPod. Type A USB socket for charging mobile phone, GPS, and other devices! FM Frequency 88.1 - 107.9 MHz Flexible positioning: the 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 Phone or any other device steady & firm in its position.