1. Hi-Fi Stereo FM Transmitting at 88.1-107.9MHz (0.1MHz/step) brings you the perfect music enjoyment;
2. iPhone Hands-free supports talking through car speaker system;
3. Supply charging power for iPhone and iPod models with dock connector;
4. Flexible Goose-pipe makes it convenient to find the best position for your devices with any car in the world;
5. Goose pipe rotation-preventing design makes the iPhone/iPod devices steady and secure;
6. Standard USB-A (5V, 1A) output socket provides the charging for iPod Shuffle, Microsoft Zune,  mobile phones, GPS and other portable devices;
7. Using a flexible clamp to fix the iPhone/iPod steadily in the car. Removable stoppers prevent it from dropping.