1. Simply plugs it into car cigarette socket
2. Digital wireless radio transmitter
3. Output frequency: FM 87. 5-108. 0MHz
4. Radio play
5. Powered via 12V car cigarette socket
6. Adjustable clip: 38 - 95mm
7. Angle adjustable arm: 0 - 180 degrees
8. Can hold your iPod, charge and transmit to your car stereo at the same time
9. Suitable for iPod Nano, iPod mini, iPod photo, iPod 4G, iPod 3G and iPod
10. Headphone socket in 3. 5mm and 2. 5mm  Is for audio signal input
11. Built-in USB interface for battery charge for iPod, MP3 players and MP4 players